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Finding the Fourth Proportional to 65,790.60, 98,060.50 and 62,054.08

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Solution

The fourth proportional to 65,790.60, 98,060.50 and 62,054.08 is: 92,491.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,790.60 : 98,060.50 = 62,054.08 : x
  2. Step 2: Convert to fraction form
    65,790.60/98,060.50 = 62,054.08/x
  3. Step 3: Cross multiply
    65,790.60x = 98,060.50 × 62,054.08
  4. Step 4: Simplify right side
    65,790.60x = 6,085,054,111.84
  5. Step 5: Solve for x
    x = 6,085,054,111.84/65,790.60
  6. Step 6: Final answer
    x = 92,491.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.