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Finding the Fourth Proportional to 134,840.87, 186,866.98 and 132,938.18

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Solution

The fourth proportional to 134,840.87, 186,866.98 and 132,938.18 is: 184,230.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,840.87 : 186,866.98 = 132,938.18 : x
  2. Step 2: Convert to fraction form
    134,840.87/186,866.98 = 132,938.18/x
  3. Step 3: Cross multiply
    134,840.87x = 186,866.98 × 132,938.18
  4. Step 4: Simplify right side
    134,840.87x = 24,841,756,223.30
  5. Step 5: Solve for x
    x = 24,841,756,223.30/134,840.87
  6. Step 6: Final answer
    x = 184,230.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.