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Finding the Fourth Proportional to 312,009.08, 468,052.50 and 101,590.52

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Solution

The fourth proportional to 312,009.08, 468,052.50 and 101,590.52 is: 152,398.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,009.08 : 468,052.50 = 101,590.52 : x
  2. Step 2: Convert to fraction form
    312,009.08/468,052.50 = 101,590.52/x
  3. Step 3: Cross multiply
    312,009.08x = 468,052.50 × 101,590.52
  4. Step 4: Simplify right side
    312,009.08x = 47,549,696,862.30
  5. Step 5: Solve for x
    x = 47,549,696,862.30/312,009.08
  6. Step 6: Final answer
    x = 152,398.44

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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.