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Finding the Fourth Proportional to 132,804.29, 183,264.58 and 72,373.65

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Solution

The fourth proportional to 132,804.29, 183,264.58 and 72,373.65 is: 99,872.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,804.29 : 183,264.58 = 72,373.65 : x
  2. Step 2: Convert to fraction form
    132,804.29/183,264.58 = 72,373.65/x
  3. Step 3: Cross multiply
    132,804.29x = 183,264.58 × 72,373.65
  4. Step 4: Simplify right side
    132,804.29x = 13,263,526,570.32
  5. Step 5: Solve for x
    x = 13,263,526,570.32/132,804.29
  6. Step 6: Final answer
    x = 99,872.73

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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.