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Finding the Fourth Proportional to 191,444.80, 286,648.80 and 149,972.80

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Solution

The fourth proportional to 191,444.80, 286,648.80 and 149,972.80 is: 224,553.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,444.80 : 286,648.80 = 149,972.80 : x
  2. Step 2: Convert to fraction form
    191,444.80/286,648.80 = 149,972.80/x
  3. Step 3: Cross multiply
    191,444.80x = 286,648.80 × 149,972.80
  4. Step 4: Simplify right side
    191,444.80x = 42,989,523,152.64
  5. Step 5: Solve for x
    x = 42,989,523,152.64/191,444.80
  6. Step 6: Final answer
    x = 224,553.10

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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.