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Finding the Fourth Proportional to 247,027.40, 370,886.70 and 153,715.40

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Solution

The fourth proportional to 247,027.40, 370,886.70 and 153,715.40 is: 230,788.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,027.40 : 370,886.70 = 153,715.40 : x
  2. Step 2: Convert to fraction form
    247,027.40/370,886.70 = 153,715.40/x
  3. Step 3: Cross multiply
    247,027.40x = 370,886.70 × 153,715.40
  4. Step 4: Simplify right side
    247,027.40x = 57,010,997,445.18
  5. Step 5: Solve for x
    x = 57,010,997,445.18/247,027.40
  6. Step 6: Final answer
    x = 230,788.15

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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.