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Finding the Fourth Proportional to 118,552.55, 163,600.22 and 64,837.40

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Solution

The fourth proportional to 118,552.55, 163,600.22 and 64,837.40 is: 89,474.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,552.55 : 163,600.22 = 64,837.40 : x
  2. Step 2: Convert to fraction form
    118,552.55/163,600.22 = 64,837.40/x
  3. Step 3: Cross multiply
    118,552.55x = 163,600.22 × 64,837.40
  4. Step 4: Simplify right side
    118,552.55x = 10,607,412,248.32
  5. Step 5: Solve for x
    x = 10,607,412,248.32/118,552.55
  6. Step 6: Final answer
    x = 89,474.35

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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.