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Finding the Fourth Proportional to 147,752.70, 221,317.05 and 97,856.70

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Solution

The fourth proportional to 147,752.70, 221,317.05 and 97,856.70 is: 146,578.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,752.70 : 221,317.05 = 97,856.70 : x
  2. Step 2: Convert to fraction form
    147,752.70/221,317.05 = 97,856.70/x
  3. Step 3: Cross multiply
    147,752.70x = 221,317.05 × 97,856.70
  4. Step 4: Simplify right side
    147,752.70x = 21,657,356,166.74
  5. Step 5: Solve for x
    x = 21,657,356,166.74/147,752.70
  6. Step 6: Final answer
    x = 146,578.41

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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.