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Finding the Fourth Proportional to 113,357.76, 156,434.62 and 63,056.76

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Solution

The fourth proportional to 113,357.76, 156,434.62 and 63,056.76 is: 87,018.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,357.76 : 156,434.62 = 63,056.76 : x
  2. Step 2: Convert to fraction form
    113,357.76/156,434.62 = 63,056.76/x
  3. Step 3: Cross multiply
    113,357.76x = 156,434.62 × 63,056.76
  4. Step 4: Simplify right side
    113,357.76x = 9,864,260,289.03
  5. Step 5: Solve for x
    x = 9,864,260,289.03/113,357.76
  6. Step 6: Final answer
    x = 87,018.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.