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Finding the Fourth Proportional to 88,706,458.90, 133,059,688.35 and 40,930,714.90

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Solution

The fourth proportional to 88,706,458.90, 133,059,688.35 and 40,930,714.90 is: 61,396,072.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,706,458.90 : 133,059,688.35 = 40,930,714.90 : x
  2. Step 2: Convert to fraction form
    88,706,458.90/133,059,688.35 = 40,930,714.90/x
  3. Step 3: Cross multiply
    88,706,458.90x = 133,059,688.35 × 40,930,714.90
  4. Step 4: Simplify right side
    88,706,458.90x = 5,446,228,168,536,701
  5. Step 5: Solve for x
    x = 5,446,228,168,536,701/88,706,458.90
  6. Step 6: Final answer
    x = 61,396,072.35

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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.