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Finding the Fourth Proportional to 163,730.10, 245,595.15 and 144,047.10

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Solution

The fourth proportional to 163,730.10, 245,595.15 and 144,047.10 is: 216,070.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,730.10 : 245,595.15 = 144,047.10 : x
  2. Step 2: Convert to fraction form
    163,730.10/245,595.15 = 144,047.10/x
  3. Step 3: Cross multiply
    163,730.10x = 245,595.15 × 144,047.10
  4. Step 4: Simplify right side
    163,730.10x = 35,377,269,131.57
  5. Step 5: Solve for x
    x = 35,377,269,131.57/163,730.10
  6. Step 6: Final answer
    x = 216,070.65

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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.