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Finding the Fourth Proportional to 89,881.86, 124,034.85 and 49,595.63

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Solution

The fourth proportional to 89,881.86, 124,034.85 and 49,595.63 is: 68,440.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,881.86 : 124,034.85 = 49,595.63 : x
  2. Step 2: Convert to fraction form
    89,881.86/124,034.85 = 49,595.63/x
  3. Step 3: Cross multiply
    89,881.86x = 124,034.85 × 49,595.63
  4. Step 4: Simplify right side
    89,881.86x = 6,151,586,527.71
  5. Step 5: Solve for x
    x = 6,151,586,527.71/89,881.86
  6. Step 6: Final answer
    x = 68,440.80

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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.