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Finding the Fourth Proportional to 113,598.66, 156,801.66 and 73,312.50

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Solution

The fourth proportional to 113,598.66, 156,801.66 and 73,312.50 is: 101,194.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,598.66 : 156,801.66 = 73,312.50 : x
  2. Step 2: Convert to fraction form
    113,598.66/156,801.66 = 73,312.50/x
  3. Step 3: Cross multiply
    113,598.66x = 156,801.66 × 73,312.50
  4. Step 4: Simplify right side
    113,598.66x = 11,495,521,698.75
  5. Step 5: Solve for x
    x = 11,495,521,698.75/113,598.66
  6. Step 6: Final answer
    x = 101,194.17

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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.