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Finding the Fourth Proportional to 108,733.32, 150,070.86 and 63,437.76

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Solution

The fourth proportional to 108,733.32, 150,070.86 and 63,437.76 is: 87,555.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,733.32 : 150,070.86 = 63,437.76 : x
  2. Step 2: Convert to fraction form
    108,733.32/150,070.86 = 63,437.76/x
  3. Step 3: Cross multiply
    108,733.32x = 150,070.86 × 63,437.76
  4. Step 4: Simplify right side
    108,733.32x = 9,520,159,199.67
  5. Step 5: Solve for x
    x = 9,520,159,199.67/108,733.32
  6. Step 6: Final answer
    x = 87,555.12

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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.