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Finding the Fourth Proportional to 157,009.14, 216,668.07 and 89,032.32

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Solution

The fourth proportional to 157,009.14, 216,668.07 and 89,032.32 is: 122,862.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,009.14 : 216,668.07 = 89,032.32 : x
  2. Step 2: Convert to fraction form
    157,009.14/216,668.07 = 89,032.32/x
  3. Step 3: Cross multiply
    157,009.14x = 216,668.07 × 89,032.32
  4. Step 4: Simplify right side
    157,009.14x = 19,290,460,942.02
  5. Step 5: Solve for x
    x = 19,290,460,942.02/157,009.14
  6. Step 6: Final answer
    x = 122,862.03

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1.5x scale

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.