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Finding the Fourth Proportional to 191,472.80, 286,690.80 and 150,000.80

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Solution

The fourth proportional to 191,472.80, 286,690.80 and 150,000.80 is: 224,595.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,472.80 : 286,690.80 = 150,000.80 : x
  2. Step 2: Convert to fraction form
    191,472.80/286,690.80 = 150,000.80/x
  3. Step 3: Cross multiply
    191,472.80x = 286,690.80 × 150,000.80
  4. Step 4: Simplify right side
    191,472.80x = 43,003,849,352.64
  5. Step 5: Solve for x
    x = 43,003,849,352.64/191,472.80
  6. Step 6: Final answer
    x = 224,595.08

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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.