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Finding the Fourth Proportional to 157,200.54, 216,917.91 and 89,225.34

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Solution

The fourth proportional to 157,200.54, 216,917.91 and 89,225.34 is: 123,120.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,200.54 : 216,917.91 = 89,225.34 : x
  2. Step 2: Convert to fraction form
    157,200.54/216,917.91 = 89,225.34/x
  3. Step 3: Cross multiply
    157,200.54x = 216,917.91 × 89,225.34
  4. Step 4: Simplify right side
    157,200.54x = 19,354,574,271.84
  5. Step 5: Solve for x
    x = 19,354,574,271.84/157,200.54
  6. Step 6: Final answer
    x = 123,120.28

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