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Finding the Fourth Proportional to 178,002.65, 266,969.95 and 53,343.65

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Solution

The fourth proportional to 178,002.65, 266,969.95 and 53,343.65 is: 80,005.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,002.65 : 266,969.95 = 53,343.65 : x
  2. Step 2: Convert to fraction form
    178,002.65/266,969.95 = 53,343.65/x
  3. Step 3: Cross multiply
    178,002.65x = 266,969.95 × 53,343.65
  4. Step 4: Simplify right side
    178,002.65x = 14,241,151,573.32
  5. Step 5: Solve for x
    x = 14,241,151,573.32/178,002.65
  6. Step 6: Final answer
    x = 80,005.28

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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.