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Finding the Fourth Proportional to 223,535.12, 308,463 and 132,886.40

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Solution

The fourth proportional to 223,535.12, 308,463 and 132,886.40 is: 183,374.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,535.12 : 308,463 = 132,886.40 : x
  2. Step 2: Convert to fraction form
    223,535.12/308,463 = 132,886.40/x
  3. Step 3: Cross multiply
    223,535.12x = 308,463 × 132,886.40
  4. Step 4: Simplify right side
    223,535.12x = 40,990,537,603.20
  5. Step 5: Solve for x
    x = 40,990,537,603.20/223,535.12
  6. Step 6: Final answer
    x = 183,374.04

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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.