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Finding the Fourth Proportional to 144,602.30, 216,903.45 and 97,363.10

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Solution

The fourth proportional to 144,602.30, 216,903.45 and 97,363.10 is: 146,044.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,602.30 : 216,903.45 = 97,363.10 : x
  2. Step 2: Convert to fraction form
    144,602.30/216,903.45 = 97,363.10/x
  3. Step 3: Cross multiply
    144,602.30x = 216,903.45 × 97,363.10
  4. Step 4: Simplify right side
    144,602.30x = 21,118,392,292.70
  5. Step 5: Solve for x
    x = 21,118,392,292.70/144,602.30
  6. Step 6: Final answer
    x = 146,044.65

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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.