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Finding the Fourth Proportional to 156,295.50, 234,482.13 and 45,487.50

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Solution

The fourth proportional to 156,295.50, 234,482.13 and 45,487.50 is: 68,242.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,295.50 : 234,482.13 = 45,487.50 : x
  2. Step 2: Convert to fraction form
    156,295.50/234,482.13 = 45,487.50/x
  3. Step 3: Cross multiply
    156,295.50x = 234,482.13 × 45,487.50
  4. Step 4: Simplify right side
    156,295.50x = 10,666,005,888.38
  5. Step 5: Solve for x
    x = 10,666,005,888.38/156,295.50
  6. Step 6: Final answer
    x = 68,242.57

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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.