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Finding the Fourth Proportional to 148,423.84, 204,833.28 and 88,030.24

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Solution

The fourth proportional to 148,423.84, 204,833.28 and 88,030.24 is: 121,486.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,423.84 : 204,833.28 = 88,030.24 : x
  2. Step 2: Convert to fraction form
    148,423.84/204,833.28 = 88,030.24/x
  3. Step 3: Cross multiply
    148,423.84x = 204,833.28 × 88,030.24
  4. Step 4: Simplify right side
    148,423.84x = 18,031,522,798.39
  5. Step 5: Solve for x
    x = 18,031,522,798.39/148,423.84
  6. Step 6: Final answer
    x = 121,486.70

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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.