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Finding the Fourth Proportional to 98,243.48, 147,241.93 and 42,017.48

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Solution

The fourth proportional to 98,243.48, 147,241.93 and 42,017.48 is: 62,973.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,243.48 : 147,241.93 = 42,017.48 : x
  2. Step 2: Convert to fraction form
    98,243.48/147,241.93 = 42,017.48/x
  3. Step 3: Cross multiply
    98,243.48x = 147,241.93 × 42,017.48
  4. Step 4: Simplify right side
    98,243.48x = 6,186,735,348.68
  5. Step 5: Solve for x
    x = 6,186,735,348.68/98,243.48
  6. Step 6: Final answer
    x = 62,973.49

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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.