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Finding the Fourth Proportional to 29,903,999.40, 44,855,999.10 and 25,121,030.40

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Solution

The fourth proportional to 29,903,999.40, 44,855,999.10 and 25,121,030.40 is: 37,681,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,903,999.40 : 44,855,999.10 = 25,121,030.40 : x
  2. Step 2: Convert to fraction form
    29,903,999.40/44,855,999.10 = 25,121,030.40/x
  3. Step 3: Cross multiply
    29,903,999.40x = 44,855,999.10 × 25,121,030.40
  4. Step 4: Simplify right side
    29,903,999.40x = 1,126,828,917,013,472.50
  5. Step 5: Solve for x
    x = 1,126,828,917,013,472.50/29,903,999.40
  6. Step 6: Final answer
    x = 37,681,545.60

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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.