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Finding the Fourth Proportional to 242,590.40, 363,885.60 and 109,534.40

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Solution

The fourth proportional to 242,590.40, 363,885.60 and 109,534.40 is: 164,301.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,590.40 : 363,885.60 = 109,534.40 : x
  2. Step 2: Convert to fraction form
    242,590.40/363,885.60 = 109,534.40/x
  3. Step 3: Cross multiply
    242,590.40x = 363,885.60 × 109,534.40
  4. Step 4: Simplify right side
    242,590.40x = 39,857,990,864.64
  5. Step 5: Solve for x
    x = 39,857,990,864.64/242,590.40
  6. Step 6: Final answer
    x = 164,301.60

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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.