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Finding the Fourth Proportional to 152,158.88, 209,954.76 and 95,646.80

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Solution

The fourth proportional to 152,158.88, 209,954.76 and 95,646.80 is: 131,977.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,158.88 : 209,954.76 = 95,646.80 : x
  2. Step 2: Convert to fraction form
    152,158.88/209,954.76 = 95,646.80/x
  3. Step 3: Cross multiply
    152,158.88x = 209,954.76 × 95,646.80
  4. Step 4: Simplify right side
    152,158.88x = 20,081,500,938.77
  5. Step 5: Solve for x
    x = 20,081,500,938.77/152,158.88
  6. Step 6: Final answer
    x = 131,977.19

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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.