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Finding the Fourth Proportional to 173,671.80, 260,507.70 and 117,538.80

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Solution

The fourth proportional to 173,671.80, 260,507.70 and 117,538.80 is: 176,308.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,671.80 : 260,507.70 = 117,538.80 : x
  2. Step 2: Convert to fraction form
    173,671.80/260,507.70 = 117,538.80/x
  3. Step 3: Cross multiply
    173,671.80x = 260,507.70 × 117,538.80
  4. Step 4: Simplify right side
    173,671.80x = 30,619,762,448.76
  5. Step 5: Solve for x
    x = 30,619,762,448.76/173,671.80
  6. Step 6: Final answer
    x = 176,308.20

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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.