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Finding the Fourth Proportional to 176,147.34, 243,083.25 and 100,697.46

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Solution

The fourth proportional to 176,147.34, 243,083.25 and 100,697.46 is: 138,962.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,147.34 : 243,083.25 = 100,697.46 : x
  2. Step 2: Convert to fraction form
    176,147.34/243,083.25 = 100,697.46/x
  3. Step 3: Cross multiply
    176,147.34x = 243,083.25 × 100,697.46
  4. Step 4: Simplify right side
    176,147.34x = 24,477,865,843.55
  5. Step 5: Solve for x
    x = 24,477,865,843.55/176,147.34
  6. Step 6: Final answer
    x = 138,962.45

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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.