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Finding the Fourth Proportional to 98,245.54, 147,244.95 and 42,019.50

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Solution

The fourth proportional to 98,245.54, 147,244.95 and 42,019.50 is: 62,976.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,245.54 : 147,244.95 = 42,019.50 : x
  2. Step 2: Convert to fraction form
    98,245.54/147,244.95 = 42,019.50/x
  3. Step 3: Cross multiply
    98,245.54x = 147,244.95 × 42,019.50
  4. Step 4: Simplify right side
    98,245.54x = 6,187,159,176.53
  5. Step 5: Solve for x
    x = 6,187,159,176.53/98,245.54
  6. Step 6: Final answer
    x = 62,976.49

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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.