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Finding the Fourth Proportional to 86,663.65, 119,593.60 and 48,423.51

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Solution

The fourth proportional to 86,663.65, 119,593.60 and 48,423.51 is: 66,823.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,663.65 : 119,593.60 = 48,423.51 : x
  2. Step 2: Convert to fraction form
    86,663.65/119,593.60 = 48,423.51/x
  3. Step 3: Cross multiply
    86,663.65x = 119,593.60 × 48,423.51
  4. Step 4: Simplify right side
    86,663.65x = 5,791,141,885.54
  5. Step 5: Solve for x
    x = 5,791,141,885.54/86,663.65
  6. Step 6: Final answer
    x = 66,823.19

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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.