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Finding the Fourth Proportional to 274,472,159.18, 411,713,159.53 and 99,719,300.88

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Solution

The fourth proportional to 274,472,159.18, 411,713,159.53 and 99,719,300.88 is: 149,580,739.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,472,159.18 : 411,713,159.53 = 99,719,300.88 : x
  2. Step 2: Convert to fraction form
    274,472,159.18/411,713,159.53 = 99,719,300.88/x
  3. Step 3: Cross multiply
    274,472,159.18x = 411,713,159.53 × 99,719,300.88
  4. Step 4: Simplify right side
    274,472,159.18x = 41,055,748,431,178,208
  5. Step 5: Solve for x
    x = 41,055,748,431,178,208/274,472,159.18
  6. Step 6: Final answer
    x = 149,580,739.10

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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.