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Finding the Fourth Proportional to 93,854,010.80, 140,669,041.80 and 84,224,212.40

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Solution

The fourth proportional to 93,854,010.80, 140,669,041.80 and 84,224,212.40 is: 126,235,833.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,854,010.80 : 140,669,041.80 = 84,224,212.40 : x
  2. Step 2: Convert to fraction form
    93,854,010.80/140,669,041.80 = 84,224,212.40/x
  3. Step 3: Cross multiply
    93,854,010.80x = 140,669,041.80 × 84,224,212.40
  4. Step 4: Simplify right side
    93,854,010.80x = 11,847,739,254,667,680
  5. Step 5: Solve for x
    x = 11,847,739,254,667,680/93,854,010.80
  6. Step 6: Final answer
    x = 126,235,833.22

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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.