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Finding the Fourth Proportional to 170,870.30, 256,305.45 and 46,211.30

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Solution

The fourth proportional to 170,870.30, 256,305.45 and 46,211.30 is: 69,316.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,870.30 : 256,305.45 = 46,211.30 : x
  2. Step 2: Convert to fraction form
    170,870.30/256,305.45 = 46,211.30/x
  3. Step 3: Cross multiply
    170,870.30x = 256,305.45 × 46,211.30
  4. Step 4: Simplify right side
    170,870.30x = 11,844,208,041.59
  5. Step 5: Solve for x
    x = 11,844,208,041.59/170,870.30
  6. Step 6: Final answer
    x = 69,316.95

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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.