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Finding the Fourth Proportional to 113,053.05, 169,492.10 and 65,595.15

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Solution

The fourth proportional to 113,053.05, 169,492.10 and 65,595.15 is: 98,341.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,053.05 : 169,492.10 = 65,595.15 : x
  2. Step 2: Convert to fraction form
    113,053.05/169,492.10 = 65,595.15/x
  3. Step 3: Cross multiply
    113,053.05x = 169,492.10 × 65,595.15
  4. Step 4: Simplify right side
    113,053.05x = 11,117,859,395.34
  5. Step 5: Solve for x
    x = 11,117,859,395.34/113,053.05
  6. Step 6: Final answer
    x = 98,341.97

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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.