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Finding the Fourth Proportional to 157,280.92, 235,903.72 and 43,444.91

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Solution

The fourth proportional to 157,280.92, 235,903.72 and 43,444.91 is: 65,162.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,280.92 : 235,903.72 = 43,444.91 : x
  2. Step 2: Convert to fraction form
    157,280.92/235,903.72 = 43,444.91/x
  3. Step 3: Cross multiply
    157,280.92x = 235,903.72 × 43,444.91
  4. Step 4: Simplify right side
    157,280.92x = 10,248,815,775.45
  5. Step 5: Solve for x
    x = 10,248,815,775.45/157,280.92
  6. Step 6: Final answer
    x = 65,162.49

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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.