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Finding the Fourth Proportional to 169,856.58, 234,405.06 and 93,378.89

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Solution

The fourth proportional to 169,856.58, 234,405.06 and 93,378.89 is: 128,864.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,856.58 : 234,405.06 = 93,378.89 : x
  2. Step 2: Convert to fraction form
    169,856.58/234,405.06 = 93,378.89/x
  3. Step 3: Cross multiply
    169,856.58x = 234,405.06 × 93,378.89
  4. Step 4: Simplify right side
    169,856.58x = 21,888,483,141.16
  5. Step 5: Solve for x
    x = 21,888,483,141.16/169,856.58
  6. Step 6: Final answer
    x = 128,864.50

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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.