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Finding the Fourth Proportional to 114,423.60, 157,913.89 and 63,452.30

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Solution

The fourth proportional to 114,423.60, 157,913.89 and 63,452.30 is: 87,569.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,423.60 : 157,913.89 = 63,452.30 : x
  2. Step 2: Convert to fraction form
    114,423.60/157,913.89 = 63,452.30/x
  3. Step 3: Cross multiply
    114,423.60x = 157,913.89 × 63,452.30
  4. Step 4: Simplify right side
    114,423.60x = 10,019,998,574.25
  5. Step 5: Solve for x
    x = 10,019,998,574.25/114,423.60
  6. Step 6: Final answer
    x = 87,569.33

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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.