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Finding the Fourth Proportional to 157,599.20, 236,398.80 and 155,266.40

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Solution

The fourth proportional to 157,599.20, 236,398.80 and 155,266.40 is: 232,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,599.20 : 236,398.80 = 155,266.40 : x
  2. Step 2: Convert to fraction form
    157,599.20/236,398.80 = 155,266.40/x
  3. Step 3: Cross multiply
    157,599.20x = 236,398.80 × 155,266.40
  4. Step 4: Simplify right side
    157,599.20x = 36,704,790,640.32
  5. Step 5: Solve for x
    x = 36,704,790,640.32/157,599.20
  6. Step 6: Final answer
    x = 232,899.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.