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Finding the Fourth Proportional to 133,095.90, 199,643.85 and 88,578.30

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Solution

The fourth proportional to 133,095.90, 199,643.85 and 88,578.30 is: 132,867.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,095.90 : 199,643.85 = 88,578.30 : x
  2. Step 2: Convert to fraction form
    133,095.90/199,643.85 = 88,578.30/x
  3. Step 3: Cross multiply
    133,095.90x = 199,643.85 × 88,578.30
  4. Step 4: Simplify right side
    133,095.90x = 17,684,112,838.46
  5. Step 5: Solve for x
    x = 17,684,112,838.46/133,095.90
  6. Step 6: Final answer
    x = 132,867.45

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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.