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Finding the Fourth Proportional to 157,032.98, 216,708.01 and 89,048.57

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Solution

The fourth proportional to 157,032.98, 216,708.01 and 89,048.57 is: 122,888.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,032.98 : 216,708.01 = 89,048.57 : x
  2. Step 2: Convert to fraction form
    157,032.98/216,708.01 = 89,048.57/x
  3. Step 3: Cross multiply
    157,032.98x = 216,708.01 × 89,048.57
  4. Step 4: Simplify right side
    157,032.98x = 19,297,537,091.88
  5. Step 5: Solve for x
    x = 19,297,537,091.88/157,032.98
  6. Step 6: Final answer
    x = 122,888.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.