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Finding the Fourth Proportional to 97,078.90, 134,010.20 and 65,266.24

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Solution

The fourth proportional to 97,078.90, 134,010.20 and 65,266.24 is: 90,095.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,078.90 : 134,010.20 = 65,266.24 : x
  2. Step 2: Convert to fraction form
    97,078.90/134,010.20 = 65,266.24/x
  3. Step 3: Cross multiply
    97,078.90x = 134,010.20 × 65,266.24
  4. Step 4: Simplify right side
    97,078.90x = 8,746,341,875.65
  5. Step 5: Solve for x
    x = 8,746,341,875.65/97,078.90
  6. Step 6: Final answer
    x = 90,095.19

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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.