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Finding the Fourth Proportional to 156,557.76, 234,875.50 and 45,749.76

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Solution

The fourth proportional to 156,557.76, 234,875.50 and 45,749.76 is: 68,636.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,557.76 : 234,875.50 = 45,749.76 : x
  2. Step 2: Convert to fraction form
    156,557.76/234,875.50 = 45,749.76/x
  3. Step 3: Cross multiply
    156,557.76x = 234,875.50 × 45,749.76
  4. Step 4: Simplify right side
    156,557.76x = 10,745,497,754.88
  5. Step 5: Solve for x
    x = 10,745,497,754.88/156,557.76
  6. Step 6: Final answer
    x = 68,636.00

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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.