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Finding the Fourth Proportional to 163,488.71, 245,132.72 and 63,532.18

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Solution

The fourth proportional to 163,488.71, 245,132.72 and 63,532.18 is: 95,259.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,488.71 : 245,132.72 = 63,532.18 : x
  2. Step 2: Convert to fraction form
    163,488.71/245,132.72 = 63,532.18/x
  3. Step 3: Cross multiply
    163,488.71x = 245,132.72 × 63,532.18
  4. Step 4: Simplify right side
    163,488.71x = 15,573,816,317.93
  5. Step 5: Solve for x
    x = 15,573,816,317.93/163,488.71
  6. Step 6: Final answer
    x = 95,259.28

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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.