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Finding the Fourth Proportional to 243,064.20, 364,547.70 and 116,704.20

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Solution

The fourth proportional to 243,064.20, 364,547.70 and 116,704.20 is: 175,032.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,064.20 : 364,547.70 = 116,704.20 : x
  2. Step 2: Convert to fraction form
    243,064.20/364,547.70 = 116,704.20/x
  3. Step 3: Cross multiply
    243,064.20x = 364,547.70 × 116,704.20
  4. Step 4: Simplify right side
    243,064.20x = 42,544,247,690.34
  5. Step 5: Solve for x
    x = 42,544,247,690.34/243,064.20
  6. Step 6: Final answer
    x = 175,032.97

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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.