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Finding the Fourth Proportional to 160,597.98, 240,834.65 and 85,677.26

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Solution

The fourth proportional to 160,597.98, 240,834.65 and 85,677.26 is: 128,482.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,597.98 : 240,834.65 = 85,677.26 : x
  2. Step 2: Convert to fraction form
    160,597.98/240,834.65 = 85,677.26/x
  3. Step 3: Cross multiply
    160,597.98x = 240,834.65 × 85,677.26
  4. Step 4: Simplify right side
    160,597.98x = 20,634,051,292.50
  5. Step 5: Solve for x
    x = 20,634,051,292.50/160,597.98
  6. Step 6: Final answer
    x = 128,482.63

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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.