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Finding the Fourth Proportional to 210,098.66, 315,149.15 and 52,327.13

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Solution

The fourth proportional to 210,098.66, 315,149.15 and 52,327.13 is: 78,490.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,098.66 : 315,149.15 = 52,327.13 : x
  2. Step 2: Convert to fraction form
    210,098.66/315,149.15 = 52,327.13/x
  3. Step 3: Cross multiply
    210,098.66x = 315,149.15 × 52,327.13
  4. Step 4: Simplify right side
    210,098.66x = 16,490,849,096.51
  5. Step 5: Solve for x
    x = 16,490,849,096.51/210,098.66
  6. Step 6: Final answer
    x = 78,490.98

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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.