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Finding the Fourth Proportional to 238,602.15, 357,905.70 and 70,125.48

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Solution

The fourth proportional to 238,602.15, 357,905.70 and 70,125.48 is: 105,188.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,602.15 : 357,905.70 = 70,125.48 : x
  2. Step 2: Convert to fraction form
    238,602.15/357,905.70 = 70,125.48/x
  3. Step 3: Cross multiply
    238,602.15x = 357,905.70 × 70,125.48
  4. Step 4: Simplify right side
    238,602.15x = 25,098,309,007.24
  5. Step 5: Solve for x
    x = 25,098,309,007.24/238,602.15
  6. Step 6: Final answer
    x = 105,188.95

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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.