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Finding the Fourth Proportional to 555,159.76, 832,741.80 and 134,436.04

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Solution

The fourth proportional to 555,159.76, 832,741.80 and 134,436.04 is: 201,654.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,159.76 : 832,741.80 = 134,436.04 : x
  2. Step 2: Convert to fraction form
    555,159.76/832,741.80 = 134,436.04/x
  3. Step 3: Cross multiply
    555,159.76x = 832,741.80 × 134,436.04
  4. Step 4: Simplify right side
    555,159.76x = 111,950,509,934.47
  5. Step 5: Solve for x
    x = 111,950,509,934.47/555,159.76
  6. Step 6: Final answer
    x = 201,654.58

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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.