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Finding the Fourth Proportional to 176,684.61, 243,820.40 and 101,228.25

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Solution

The fourth proportional to 176,684.61, 243,820.40 and 101,228.25 is: 139,692.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,684.61 : 243,820.40 = 101,228.25 : x
  2. Step 2: Convert to fraction form
    176,684.61/243,820.40 = 101,228.25/x
  3. Step 3: Cross multiply
    176,684.61x = 243,820.40 × 101,228.25
  4. Step 4: Simplify right side
    176,684.61x = 24,681,511,900.16
  5. Step 5: Solve for x
    x = 24,681,511,900.16/176,684.61
  6. Step 6: Final answer
    x = 139,692.48

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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.