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Finding the Fourth Proportional to 98,658.48, 136,041.60 and 62,802.60

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Solution

The fourth proportional to 98,658.48, 136,041.60 and 62,802.60 is: 86,599.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,658.48 : 136,041.60 = 62,802.60 : x
  2. Step 2: Convert to fraction form
    98,658.48/136,041.60 = 62,802.60/x
  3. Step 3: Cross multiply
    98,658.48x = 136,041.60 × 62,802.60
  4. Step 4: Simplify right side
    98,658.48x = 8,543,766,188.16
  5. Step 5: Solve for x
    x = 8,543,766,188.16/98,658.48
  6. Step 6: Final answer
    x = 86,599.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.