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Finding the Fourth Proportional to 62,602,652.80, 93,903,979.20 and 43,119,107.20

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Solution

The fourth proportional to 62,602,652.80, 93,903,979.20 and 43,119,107.20 is: 64,678,660.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,602,652.80 : 93,903,979.20 = 43,119,107.20 : x
  2. Step 2: Convert to fraction form
    62,602,652.80/93,903,979.20 = 43,119,107.20/x
  3. Step 3: Cross multiply
    62,602,652.80x = 93,903,979.20 × 43,119,107.20
  4. Step 4: Simplify right side
    62,602,652.80x = 4,049,055,745,631,370.50
  5. Step 5: Solve for x
    x = 4,049,055,745,631,370.50/62,602,652.80
  6. Step 6: Final answer
    x = 64,678,660.80

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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.