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Finding the Fourth Proportional to 60,703,580.10, 85,176,330.90 and 60,703,580.10

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Solution

The fourth proportional to 60,703,580.10, 85,176,330.90 and 60,703,580.10 is: 85,176,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,703,580.10 : 85,176,330.90 = 60,703,580.10 : x
  2. Step 2: Convert to fraction form
    60,703,580.10/85,176,330.90 = 60,703,580.10/x
  3. Step 3: Cross multiply
    60,703,580.10x = 85,176,330.90 × 60,703,580.10
  4. Step 4: Simplify right side
    60,703,580.10x = 5,170,508,225,412,256
  5. Step 5: Solve for x
    x = 5,170,508,225,412,256/60,703,580.10
  6. Step 6: Final answer
    x = 85,176,330.90

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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.