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Finding the Fourth Proportional to 176,713.40, 264,875.70 and 76,856.60

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Solution

The fourth proportional to 176,713.40, 264,875.70 and 76,856.60 is: 115,200.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,713.40 : 264,875.70 = 76,856.60 : x
  2. Step 2: Convert to fraction form
    176,713.40/264,875.70 = 76,856.60/x
  3. Step 3: Cross multiply
    176,713.40x = 264,875.70 × 76,856.60
  4. Step 4: Simplify right side
    176,713.40x = 20,357,445,724.62
  5. Step 5: Solve for x
    x = 20,357,445,724.62/176,713.40
  6. Step 6: Final answer
    x = 115,200.35

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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.