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Finding the Fourth Proportional to 116,656.70, 174,985.05 and 57,607.70

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Solution

The fourth proportional to 116,656.70, 174,985.05 and 57,607.70 is: 86,411.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,656.70 : 174,985.05 = 57,607.70 : x
  2. Step 2: Convert to fraction form
    116,656.70/174,985.05 = 57,607.70/x
  3. Step 3: Cross multiply
    116,656.70x = 174,985.05 × 57,607.70
  4. Step 4: Simplify right side
    116,656.70x = 10,080,486,264.89
  5. Step 5: Solve for x
    x = 10,080,486,264.89/116,656.70
  6. Step 6: Final answer
    x = 86,411.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.