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Finding the Fourth Proportional to 118,151.62, 163,050.51 and 64,436.20

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Solution

The fourth proportional to 118,151.62, 163,050.51 and 64,436.20 is: 88,922.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,151.62 : 163,050.51 = 64,436.20 : x
  2. Step 2: Convert to fraction form
    118,151.62/163,050.51 = 64,436.20/x
  3. Step 3: Cross multiply
    118,151.62x = 163,050.51 × 64,436.20
  4. Step 4: Simplify right side
    118,151.62x = 10,506,355,272.46
  5. Step 5: Solve for x
    x = 10,506,355,272.46/118,151.62
  6. Step 6: Final answer
    x = 88,922.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.