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Finding the Fourth Proportional to 176,641.60, 243,765.53 and 99,106.55

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Solution

The fourth proportional to 176,641.60, 243,765.53 and 99,106.55 is: 136,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,641.60 : 243,765.53 = 99,106.55 : x
  2. Step 2: Convert to fraction form
    176,641.60/243,765.53 = 99,106.55/x
  3. Step 3: Cross multiply
    176,641.60x = 243,765.53 × 99,106.55
  4. Step 4: Simplify right side
    176,641.60x = 24,158,759,468.39
  5. Step 5: Solve for x
    x = 24,158,759,468.39/176,641.60
  6. Step 6: Final answer
    x = 136,767.10

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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.