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Finding the Fourth Proportional to 101,397.48, 152,018.46 and 61,973.16

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Solution

The fourth proportional to 101,397.48, 152,018.46 and 61,973.16 is: 92,912.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,397.48 : 152,018.46 = 61,973.16 : x
  2. Step 2: Convert to fraction form
    101,397.48/152,018.46 = 61,973.16/x
  3. Step 3: Cross multiply
    101,397.48x = 152,018.46 × 61,973.16
  4. Step 4: Simplify right side
    101,397.48x = 9,421,064,344.53
  5. Step 5: Solve for x
    x = 9,421,064,344.53/101,397.48
  6. Step 6: Final answer
    x = 92,912.21

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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.