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Finding the Fourth Proportional to 169,819.16, 234,352.88 and 93,345.34

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Solution

The fourth proportional to 169,819.16, 234,352.88 and 93,345.34 is: 128,817.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,819.16 : 234,352.88 = 93,345.34 : x
  2. Step 2: Convert to fraction form
    169,819.16/234,352.88 = 93,345.34/x
  3. Step 3: Cross multiply
    169,819.16x = 234,352.88 × 93,345.34
  4. Step 4: Simplify right side
    169,819.16x = 21,875,749,263.58
  5. Step 5: Solve for x
    x = 21,875,749,263.58/169,819.16
  6. Step 6: Final answer
    x = 128,817.91

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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.