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Finding the Fourth Proportional to 107,445.60, 161,111.70 and 36,343.80

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Solution

The fourth proportional to 107,445.60, 161,111.70 and 36,343.80 is: 54,496.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,445.60 : 161,111.70 = 36,343.80 : x
  2. Step 2: Convert to fraction form
    107,445.60/161,111.70 = 36,343.80/x
  3. Step 3: Cross multiply
    107,445.60x = 161,111.70 × 36,343.80
  4. Step 4: Simplify right side
    107,445.60x = 5,855,411,402.46
  5. Step 5: Solve for x
    x = 5,855,411,402.46/107,445.60
  6. Step 6: Final answer
    x = 54,496.52

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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.