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Finding the Fourth Proportional to 173,437.80, 260,051.10 and 68,130.60

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Solution

The fourth proportional to 173,437.80, 260,051.10 and 68,130.60 is: 102,154.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,437.80 : 260,051.10 = 68,130.60 : x
  2. Step 2: Convert to fraction form
    173,437.80/260,051.10 = 68,130.60/x
  3. Step 3: Cross multiply
    173,437.80x = 260,051.10 × 68,130.60
  4. Step 4: Simplify right side
    173,437.80x = 17,717,437,473.66
  5. Step 5: Solve for x
    x = 17,717,437,473.66/173,437.80
  6. Step 6: Final answer
    x = 102,154.42

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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.