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Finding the Fourth Proportional to 104,297.40, 156,330.90 and 57,583.80

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Solution

The fourth proportional to 104,297.40, 156,330.90 and 57,583.80 is: 86,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,297.40 : 156,330.90 = 57,583.80 : x
  2. Step 2: Convert to fraction form
    104,297.40/156,330.90 = 57,583.80/x
  3. Step 3: Cross multiply
    104,297.40x = 156,330.90 × 57,583.80
  4. Step 4: Simplify right side
    104,297.40x = 9,002,127,279.42
  5. Step 5: Solve for x
    x = 9,002,127,279.42/104,297.40
  6. Step 6: Final answer
    x = 86,312.10

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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.