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Finding the Fourth Proportional to 157,597.20, 236,395.80 and 155,264.40

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Solution

The fourth proportional to 157,597.20, 236,395.80 and 155,264.40 is: 232,896.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,597.20 : 236,395.80 = 155,264.40 : x
  2. Step 2: Convert to fraction form
    157,597.20/236,395.80 = 155,264.40/x
  3. Step 3: Cross multiply
    157,597.20x = 236,395.80 × 155,264.40
  4. Step 4: Simplify right side
    157,597.20x = 36,703,852,049.52
  5. Step 5: Solve for x
    x = 36,703,852,049.52/157,597.20
  6. Step 6: Final answer
    x = 232,896.60

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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.