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Finding the Fourth Proportional to 86,561.67, 119,461.11 and 48,328.74

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Solution

The fourth proportional to 86,561.67, 119,461.11 and 48,328.74 is: 66,697.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,561.67 : 119,461.11 = 48,328.74 : x
  2. Step 2: Convert to fraction form
    86,561.67/119,461.11 = 48,328.74/x
  3. Step 3: Cross multiply
    86,561.67x = 119,461.11 × 48,328.74
  4. Step 4: Simplify right side
    86,561.67x = 5,773,404,925.30
  5. Step 5: Solve for x
    x = 5,773,404,925.30/86,561.67
  6. Step 6: Final answer
    x = 66,697.01

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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.