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Finding the Fourth Proportional to 112,334.74, 168,574.54 and 72,349.54

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Solution

The fourth proportional to 112,334.74, 168,574.54 and 72,349.54 is: 108,570.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,334.74 : 168,574.54 = 72,349.54 : x
  2. Step 2: Convert to fraction form
    112,334.74/168,574.54 = 72,349.54/x
  3. Step 3: Cross multiply
    112,334.74x = 168,574.54 × 72,349.54
  4. Step 4: Simplify right side
    112,334.74x = 12,196,290,424.71
  5. Step 5: Solve for x
    x = 12,196,290,424.71/112,334.74
  6. Step 6: Final answer
    x = 108,570.96

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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.