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Finding the Fourth Proportional to 170,368.09, 255,670.71 and 70,528.80

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Solution

The fourth proportional to 170,368.09, 255,670.71 and 70,528.80 is: 105,842.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,368.09 : 255,670.71 = 70,528.80 : x
  2. Step 2: Convert to fraction form
    170,368.09/255,670.71 = 70,528.80/x
  3. Step 3: Cross multiply
    170,368.09x = 255,670.71 × 70,528.80
  4. Step 4: Simplify right side
    170,368.09x = 18,032,149,065.73
  5. Step 5: Solve for x
    x = 18,032,149,065.73/170,368.09
  6. Step 6: Final answer
    x = 105,842.29

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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.