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Finding the Fourth Proportional to 274,472,159.93, 411,713,160.65 and 99,719,301.63

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Solution

The fourth proportional to 274,472,159.93, 411,713,160.65 and 99,719,301.63 is: 149,580,740.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,472,159.93 : 411,713,160.65 = 99,719,301.63 : x
  2. Step 2: Convert to fraction form
    274,472,159.93/411,713,160.65 = 99,719,301.63/x
  3. Step 3: Cross multiply
    274,472,159.93x = 411,713,160.65 × 99,719,301.63
  4. Step 4: Simplify right side
    274,472,159.93x = 41,055,748,851,399,400
  5. Step 5: Solve for x
    x = 41,055,748,851,399,400/274,472,159.93
  6. Step 6: Final answer
    x = 149,580,740.22

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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.