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Finding the Fourth Proportional to 170,915, 235,867.44 and 94,439.02

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Solution

The fourth proportional to 170,915, 235,867.44 and 94,439.02 is: 130,328.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,915 : 235,867.44 = 94,439.02 : x
  2. Step 2: Convert to fraction form
    170,915/235,867.44 = 94,439.02/x
  3. Step 3: Cross multiply
    170,915x = 235,867.44 × 94,439.02
  4. Step 4: Simplify right side
    170,915x = 22,275,089,883.51
  5. Step 5: Solve for x
    x = 22,275,089,883.51/170,915
  6. Step 6: Final answer
    x = 130,328.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.