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Finding the Fourth Proportional to 99,549.63, 148,973.51 and 62,127.23

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Solution

The fourth proportional to 99,549.63, 148,973.51 and 62,127.23 is: 92,971.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,549.63 : 148,973.51 = 62,127.23 : x
  2. Step 2: Convert to fraction form
    99,549.63/148,973.51 = 62,127.23/x
  3. Step 3: Cross multiply
    99,549.63x = 148,973.51 × 62,127.23
  4. Step 4: Simplify right side
    99,549.63x = 9,255,310,930.13
  5. Step 5: Solve for x
    x = 9,255,310,930.13/99,549.63
  6. Step 6: Final answer
    x = 92,971.83

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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.