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Finding the Fourth Proportional to 245,776.32, 368,754.58 and 103,657.36

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Solution

The fourth proportional to 245,776.32, 368,754.58 and 103,657.36 is: 155,524.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,776.32 : 368,754.58 = 103,657.36 : x
  2. Step 2: Convert to fraction form
    245,776.32/368,754.58 = 103,657.36/x
  3. Step 3: Cross multiply
    245,776.32x = 368,754.58 × 103,657.36
  4. Step 4: Simplify right side
    245,776.32x = 38,224,126,250.71
  5. Step 5: Solve for x
    x = 38,224,126,250.71/245,776.32
  6. Step 6: Final answer
    x = 155,524.04

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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.