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Finding the Fourth Proportional to 98,240.54, 147,237.48 and 42,014.51

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Solution

The fourth proportional to 98,240.54, 147,237.48 and 42,014.51 is: 62,969.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,240.54 : 147,237.48 = 42,014.51 : x
  2. Step 2: Convert to fraction form
    98,240.54/147,237.48 = 42,014.51/x
  3. Step 3: Cross multiply
    98,240.54x = 147,237.48 × 42,014.51
  4. Step 4: Simplify right side
    98,240.54x = 6,186,109,839.65
  5. Step 5: Solve for x
    x = 6,186,109,839.65/98,240.54
  6. Step 6: Final answer
    x = 62,969.02

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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.