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Finding the Fourth Proportional to 170,777.40, 256,070.10 and 65,599.80

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Solution

The fourth proportional to 170,777.40, 256,070.10 and 65,599.80 is: 98,362.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,777.40 : 256,070.10 = 65,599.80 : x
  2. Step 2: Convert to fraction form
    170,777.40/256,070.10 = 65,599.80/x
  3. Step 3: Cross multiply
    170,777.40x = 256,070.10 × 65,599.80
  4. Step 4: Simplify right side
    170,777.40x = 16,798,147,345.98
  5. Step 5: Solve for x
    x = 16,798,147,345.98/170,777.40
  6. Step 6: Final answer
    x = 98,362.82

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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.