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Finding the Fourth Proportional to 98,362.89, 147,257.28 and 73,174.14

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Solution

The fourth proportional to 98,362.89, 147,257.28 and 73,174.14 is: 109,547.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,362.89 : 147,257.28 = 73,174.14 : x
  2. Step 2: Convert to fraction form
    98,362.89/147,257.28 = 73,174.14/x
  3. Step 3: Cross multiply
    98,362.89x = 147,257.28 × 73,174.14
  4. Step 4: Simplify right side
    98,362.89x = 10,775,424,822.74
  5. Step 5: Solve for x
    x = 10,775,424,822.74/98,362.89
  6. Step 6: Final answer
    x = 109,547.66

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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.