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Finding the Fourth Proportional to 148,214.54, 222,124.98 and 85,064.91

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Solution

The fourth proportional to 148,214.54, 222,124.98 and 85,064.91 is: 127,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,214.54 : 222,124.98 = 85,064.91 : x
  2. Step 2: Convert to fraction form
    148,214.54/222,124.98 = 85,064.91/x
  3. Step 3: Cross multiply
    148,214.54x = 222,124.98 × 85,064.91
  4. Step 4: Simplify right side
    148,214.54x = 18,895,041,007.13
  5. Step 5: Solve for x
    x = 18,895,041,007.13/148,214.54
  6. Step 6: Final answer
    x = 127,484.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.