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Finding the Fourth Proportional to 134,605.78, 185,753.57 and 73,352.51

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Solution

The fourth proportional to 134,605.78, 185,753.57 and 73,352.51 is: 101,225.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,605.78 : 185,753.57 = 73,352.51 : x
  2. Step 2: Convert to fraction form
    134,605.78/185,753.57 = 73,352.51/x
  3. Step 3: Cross multiply
    134,605.78x = 185,753.57 × 73,352.51
  4. Step 4: Simplify right side
    134,605.78x = 13,625,489,672.19
  5. Step 5: Solve for x
    x = 13,625,489,672.19/134,605.78
  6. Step 6: Final answer
    x = 101,225.15

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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.