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Finding the Fourth Proportional to 238,483.34, 357,703.14 and 80,693.72

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Solution

The fourth proportional to 238,483.34, 357,703.14 and 80,693.72 is: 121,033.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,483.34 : 357,703.14 = 80,693.72 : x
  2. Step 2: Convert to fraction form
    238,483.34/357,703.14 = 80,693.72/x
  3. Step 3: Cross multiply
    238,483.34x = 357,703.14 × 80,693.72
  4. Step 4: Simplify right side
    238,483.34x = 28,864,397,022.28
  5. Step 5: Solve for x
    x = 28,864,397,022.28/238,483.34
  6. Step 6: Final answer
    x = 121,033.18

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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.