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Finding the Fourth Proportional to 243,291.48, 364,994.12 and 83,369.16

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Solution

The fourth proportional to 243,291.48, 364,994.12 and 83,369.16 is: 125,073.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,291.48 : 364,994.12 = 83,369.16 : x
  2. Step 2: Convert to fraction form
    243,291.48/364,994.12 = 83,369.16/x
  3. Step 3: Cross multiply
    243,291.48x = 364,994.12 × 83,369.16
  4. Step 4: Simplify right side
    243,291.48x = 30,429,253,189.34
  5. Step 5: Solve for x
    x = 30,429,253,189.34/243,291.48
  6. Step 6: Final answer
    x = 125,073.24

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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.