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Finding the Fourth Proportional to 114,363.60, 157,820.04 and 64,064.40

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Solution

The fourth proportional to 114,363.60, 157,820.04 and 64,064.40 is: 88,407.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,363.60 : 157,820.04 = 64,064.40 : x
  2. Step 2: Convert to fraction form
    114,363.60/157,820.04 = 64,064.40/x
  3. Step 3: Cross multiply
    114,363.60x = 157,820.04 × 64,064.40
  4. Step 4: Simplify right side
    114,363.60x = 10,110,646,170.58
  5. Step 5: Solve for x
    x = 10,110,646,170.58/114,363.60
  6. Step 6: Final answer
    x = 88,407.90

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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.