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Finding the Fourth Proportional to 86,562.58, 119,455.86 and 48,319.91

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Solution

The fourth proportional to 86,562.58, 119,455.86 and 48,319.91 is: 66,681.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,562.58 : 119,455.86 = 48,319.91 : x
  2. Step 2: Convert to fraction form
    86,562.58/119,455.86 = 48,319.91/x
  3. Step 3: Cross multiply
    86,562.58x = 119,455.86 × 48,319.91
  4. Step 4: Simplify right side
    86,562.58x = 5,772,096,404.17
  5. Step 5: Solve for x
    x = 5,772,096,404.17/86,562.58
  6. Step 6: Final answer
    x = 66,681.20

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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.