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Finding the Fourth Proportional to 60,703,607.10, 85,176,368.70 and 60,703,607.10

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Solution

The fourth proportional to 60,703,607.10, 85,176,368.70 and 60,703,607.10 is: 85,176,368.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,703,607.10 : 85,176,368.70 = 60,703,607.10 : x
  2. Step 2: Convert to fraction form
    60,703,607.10/85,176,368.70 = 60,703,607.10/x
  3. Step 3: Cross multiply
    60,703,607.10x = 85,176,368.70 × 60,703,607.10
  4. Step 4: Simplify right side
    60,703,607.10x = 5,170,512,819,769,538
  5. Step 5: Solve for x
    x = 5,170,512,819,769,538/60,703,607.10
  6. Step 6: Final answer
    x = 85,176,368.70

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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.