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Finding the Fourth Proportional to 170,744.90, 256,117.35 and 65,566.40

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Solution

The fourth proportional to 170,744.90, 256,117.35 and 65,566.40 is: 98,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,744.90 : 256,117.35 = 65,566.40 : x
  2. Step 2: Convert to fraction form
    170,744.90/256,117.35 = 65,566.40/x
  3. Step 3: Cross multiply
    170,744.90x = 256,117.35 × 65,566.40
  4. Step 4: Simplify right side
    170,744.90x = 16,792,692,617.04
  5. Step 5: Solve for x
    x = 16,792,692,617.04/170,744.90
  6. Step 6: Final answer
    x = 98,349.60

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1.5x scale

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.