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Finding the Fourth Proportional to 97,451.80, 134,483.90 and 52,739.80

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Solution

The fourth proportional to 97,451.80, 134,483.90 and 52,739.80 is: 72,781.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,451.80 : 134,483.90 = 52,739.80 : x
  2. Step 2: Convert to fraction form
    97,451.80/134,483.90 = 52,739.80/x
  3. Step 3: Cross multiply
    97,451.80x = 134,483.90 × 52,739.80
  4. Step 4: Simplify right side
    97,451.80x = 7,092,653,989.22
  5. Step 5: Solve for x
    x = 7,092,653,989.22/97,451.80
  6. Step 6: Final answer
    x = 72,781.15

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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.