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Finding the Fourth Proportional to 67,584,034.60, 101,376,051.90 and 40,688,060.20

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Solution

The fourth proportional to 67,584,034.60, 101,376,051.90 and 40,688,060.20 is: 61,032,090.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,584,034.60 : 101,376,051.90 = 40,688,060.20 : x
  2. Step 2: Convert to fraction form
    67,584,034.60/101,376,051.90 = 40,688,060.20/x
  3. Step 3: Cross multiply
    67,584,034.60x = 101,376,051.90 × 40,688,060.20
  4. Step 4: Simplify right side
    67,584,034.60x = 4,124,794,902,545,525
  5. Step 5: Solve for x
    x = 4,124,794,902,545,525/67,584,034.60
  6. Step 6: Final answer
    x = 61,032,090.30

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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.