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Finding the Fourth Proportional to 177,182.17, 265,510.71 and 145,815.13

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Solution

The fourth proportional to 177,182.17, 265,510.71 and 145,815.13 is: 218,506.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,182.17 : 265,510.71 = 145,815.13 : x
  2. Step 2: Convert to fraction form
    177,182.17/265,510.71 = 145,815.13/x
  3. Step 3: Cross multiply
    177,182.17x = 265,510.71 × 145,815.13
  4. Step 4: Simplify right side
    177,182.17x = 38,715,478,695.04
  5. Step 5: Solve for x
    x = 38,715,478,695.04/177,182.17
  6. Step 6: Final answer
    x = 218,506.63

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1.5x scale

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.