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Finding the Fourth Proportional to 136,751,569.60, 205,127,354.48 and 41,013,457.60

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Solution

The fourth proportional to 136,751,569.60, 205,127,354.48 and 41,013,457.60 is: 61,520,186.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,751,569.60 : 205,127,354.48 = 41,013,457.60 : x
  2. Step 2: Convert to fraction form
    136,751,569.60/205,127,354.48 = 41,013,457.60/x
  3. Step 3: Cross multiply
    136,751,569.60x = 205,127,354.48 × 41,013,457.60
  4. Step 4: Simplify right side
    136,751,569.60x = 8,412,982,055,565,650
  5. Step 5: Solve for x
    x = 8,412,982,055,565,650/136,751,569.60
  6. Step 6: Final answer
    x = 61,520,186.42

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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.