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Finding the Fourth Proportional to 89,314.76, 123,254.06 and 48,478.89

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Solution

The fourth proportional to 89,314.76, 123,254.06 and 48,478.89 is: 66,900.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,314.76 : 123,254.06 = 48,478.89 : x
  2. Step 2: Convert to fraction form
    89,314.76/123,254.06 = 48,478.89/x
  3. Step 3: Cross multiply
    89,314.76x = 123,254.06 × 48,478.89
  4. Step 4: Simplify right side
    89,314.76x = 5,975,219,774.40
  5. Step 5: Solve for x
    x = 5,975,219,774.40/89,314.76
  6. Step 6: Final answer
    x = 66,900.70

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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.