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Finding the Fourth Proportional to 157,341.60, 217,407.60 and 125,771.04

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Solution

The fourth proportional to 157,341.60, 217,407.60 and 125,771.04 is: 173,784.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,341.60 : 217,407.60 = 125,771.04 : x
  2. Step 2: Convert to fraction form
    157,341.60/217,407.60 = 125,771.04/x
  3. Step 3: Cross multiply
    157,341.60x = 217,407.60 × 125,771.04
  4. Step 4: Simplify right side
    157,341.60x = 27,343,579,955.90
  5. Step 5: Solve for x
    x = 27,343,579,955.90/157,341.60
  6. Step 6: Final answer
    x = 173,784.81

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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.