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Finding the Fourth Proportional to 105,027.60, 157,376.28 and 65,525.52

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Solution

The fourth proportional to 105,027.60, 157,376.28 and 65,525.52 is: 98,185.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,027.60 : 157,376.28 = 65,525.52 : x
  2. Step 2: Convert to fraction form
    105,027.60/157,376.28 = 65,525.52/x
  3. Step 3: Cross multiply
    105,027.60x = 157,376.28 × 65,525.52
  4. Step 4: Simplify right side
    105,027.60x = 10,312,162,582.67
  5. Step 5: Solve for x
    x = 10,312,162,582.67/105,027.60
  6. Step 6: Final answer
    x = 98,185.26

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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.