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Finding the Fourth Proportional to 355,033.01, 532,554.21 and 118,375.76

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Solution

The fourth proportional to 355,033.01, 532,554.21 and 118,375.76 is: 177,565.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,033.01 : 532,554.21 = 118,375.76 : x
  2. Step 2: Convert to fraction form
    355,033.01/532,554.21 = 118,375.76/x
  3. Step 3: Cross multiply
    355,033.01x = 532,554.21 × 118,375.76
  4. Step 4: Simplify right side
    355,033.01x = 63,041,506,687.18
  5. Step 5: Solve for x
    x = 63,041,506,687.18/355,033.01
  6. Step 6: Final answer
    x = 177,565.20

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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.