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Finding the Fourth Proportional to 178,254.53, 267,415.51 and 71,646.79

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Solution

The fourth proportional to 178,254.53, 267,415.51 and 71,646.79 is: 107,483.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,254.53 : 267,415.51 = 71,646.79 : x
  2. Step 2: Convert to fraction form
    178,254.53/267,415.51 = 71,646.79/x
  3. Step 3: Cross multiply
    178,254.53x = 267,415.51 × 71,646.79
  4. Step 4: Simplify right side
    178,254.53x = 19,159,461,550.64
  5. Step 5: Solve for x
    x = 19,159,461,550.64/178,254.53
  6. Step 6: Final answer
    x = 107,483.73

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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.