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Finding the Fourth Proportional to 157,407.64, 236,117.22 and 63,911.32

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Solution

The fourth proportional to 157,407.64, 236,117.22 and 63,911.32 is: 95,869.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,407.64 : 236,117.22 = 63,911.32 : x
  2. Step 2: Convert to fraction form
    157,407.64/236,117.22 = 63,911.32/x
  3. Step 3: Cross multiply
    157,407.64x = 236,117.22 × 63,911.32
  4. Step 4: Simplify right side
    157,407.64x = 15,090,563,204.93
  5. Step 5: Solve for x
    x = 15,090,563,204.93/157,407.64
  6. Step 6: Final answer
    x = 95,869.32

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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.