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Finding the Fourth Proportional to 170,363.88, 235,088.15 and 97,788.97

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Solution

The fourth proportional to 170,363.88, 235,088.15 and 97,788.97 is: 134,940.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,363.88 : 235,088.15 = 97,788.97 : x
  2. Step 2: Convert to fraction form
    170,363.88/235,088.15 = 97,788.97/x
  3. Step 3: Cross multiply
    170,363.88x = 235,088.15 × 97,788.97
  4. Step 4: Simplify right side
    170,363.88x = 22,989,028,127.65
  5. Step 5: Solve for x
    x = 22,989,028,127.65/170,363.88
  6. Step 6: Final answer
    x = 134,940.74

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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.