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Finding the Fourth Proportional to 114,665,980.70, 160,985,869.30 and 114,665,980.70

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Solution

The fourth proportional to 114,665,980.70, 160,985,869.30 and 114,665,980.70 is: 160,985,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,665,980.70 : 160,985,869.30 = 114,665,980.70 : x
  2. Step 2: Convert to fraction form
    114,665,980.70/160,985,869.30 = 114,665,980.70/x
  3. Step 3: Cross multiply
    114,665,980.70x = 160,985,869.30 × 114,665,980.70
  4. Step 4: Simplify right side
    114,665,980.70x = 18,459,602,582,126,524
  5. Step 5: Solve for x
    x = 18,459,602,582,126,524/114,665,980.70
  6. Step 6: Final answer
    x = 160,985,869.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.