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Finding the Fourth Proportional to 160,290.82, 240,519.01 and 70,396.66

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Solution

The fourth proportional to 160,290.82, 240,519.01 and 70,396.66 is: 105,631.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,290.82 : 240,519.01 = 70,396.66 : x
  2. Step 2: Convert to fraction form
    160,290.82/240,519.01 = 70,396.66/x
  3. Step 3: Cross multiply
    160,290.82x = 240,519.01 × 70,396.66
  4. Step 4: Simplify right side
    160,290.82x = 16,931,734,970.51
  5. Step 5: Solve for x
    x = 16,931,734,970.51/160,290.82
  6. Step 6: Final answer
    x = 105,631.35

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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.