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Finding the Fourth Proportional to 157,657.88, 236,501.40 and 62,865.20

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Solution

The fourth proportional to 157,657.88, 236,501.40 and 62,865.20 is: 94,303.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,657.88 : 236,501.40 = 62,865.20 : x
  2. Step 2: Convert to fraction form
    157,657.88/236,501.40 = 62,865.20/x
  3. Step 3: Cross multiply
    157,657.88x = 236,501.40 × 62,865.20
  4. Step 4: Simplify right side
    157,657.88x = 14,867,707,811.28
  5. Step 5: Solve for x
    x = 14,867,707,811.28/157,657.88
  6. Step 6: Final answer
    x = 94,303.61

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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.