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Finding the Fourth Proportional to 97,312.20, 134,290.81 and 52,600.20

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Solution

The fourth proportional to 97,312.20, 134,290.81 and 52,600.20 is: 72,588.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,312.20 : 134,290.81 = 52,600.20 : x
  2. Step 2: Convert to fraction form
    97,312.20/134,290.81 = 52,600.20/x
  3. Step 3: Cross multiply
    97,312.20x = 134,290.81 × 52,600.20
  4. Step 4: Simplify right side
    97,312.20x = 7,063,723,464.16
  5. Step 5: Solve for x
    x = 7,063,723,464.16/97,312.20
  6. Step 6: Final answer
    x = 72,588.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.