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Finding the Fourth Proportional to 539,214.66, 808,751.48 and 160,127.64

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Solution

The fourth proportional to 539,214.66, 808,751.48 and 160,127.64 is: 240,170.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,214.66 : 808,751.48 = 160,127.64 : x
  2. Step 2: Convert to fraction form
    539,214.66/808,751.48 = 160,127.64/x
  3. Step 3: Cross multiply
    539,214.66x = 808,751.48 × 160,127.64
  4. Step 4: Simplify right side
    539,214.66x = 129,503,465,838.91
  5. Step 5: Solve for x
    x = 129,503,465,838.91/539,214.66
  6. Step 6: Final answer
    x = 240,170.52

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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.