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Finding the Fourth Proportional to 134,174.93, 185,178.92 and 86,566.77

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Solution

The fourth proportional to 134,174.93, 185,178.92 and 86,566.77 is: 119,473.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,174.93 : 185,178.92 = 86,566.77 : x
  2. Step 2: Convert to fraction form
    134,174.93/185,178.92 = 86,566.77/x
  3. Step 3: Cross multiply
    134,174.93x = 185,178.92 × 86,566.77
  4. Step 4: Simplify right side
    134,174.93x = 16,030,340,543.65
  5. Step 5: Solve for x
    x = 16,030,340,543.65/134,174.93
  6. Step 6: Final answer
    x = 119,473.45

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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.