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Finding the Fourth Proportional to 113,859.60, 157,139.56 and 94,705.58

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Solution

The fourth proportional to 113,859.60, 157,139.56 and 94,705.58 is: 130,704.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,859.60 : 157,139.56 = 94,705.58 : x
  2. Step 2: Convert to fraction form
    113,859.60/157,139.56 = 94,705.58/x
  3. Step 3: Cross multiply
    113,859.60x = 157,139.56 × 94,705.58
  4. Step 4: Simplify right side
    113,859.60x = 14,881,993,170.74
  5. Step 5: Solve for x
    x = 14,881,993,170.74/113,859.60
  6. Step 6: Final answer
    x = 130,704.77

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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.