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Finding the Fourth Proportional to 169,712.67, 234,192.22 and 93,216.88

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Solution

The fourth proportional to 169,712.67, 234,192.22 and 93,216.88 is: 128,633.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,712.67 : 234,192.22 = 93,216.88 : x
  2. Step 2: Convert to fraction form
    169,712.67/234,192.22 = 93,216.88/x
  3. Step 3: Cross multiply
    169,712.67x = 234,192.22 × 93,216.88
  4. Step 4: Simplify right side
    169,712.67x = 21,830,668,068.67
  5. Step 5: Solve for x
    x = 21,830,668,068.67/169,712.67
  6. Step 6: Final answer
    x = 128,633.11

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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.