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Finding the Fourth Proportional to 194,683.20, 292,024.80 and 181,561.20

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Solution

The fourth proportional to 194,683.20, 292,024.80 and 181,561.20 is: 272,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,683.20 : 292,024.80 = 181,561.20 : x
  2. Step 2: Convert to fraction form
    194,683.20/292,024.80 = 181,561.20/x
  3. Step 3: Cross multiply
    194,683.20x = 292,024.80 × 181,561.20
  4. Step 4: Simplify right side
    194,683.20x = 53,020,373,117.76
  5. Step 5: Solve for x
    x = 53,020,373,117.76/194,683.20
  6. Step 6: Final answer
    x = 272,341.80

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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.