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Finding the Fourth Proportional to 173,155.68, 238,928.40 and 109,580.40

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Solution

The fourth proportional to 173,155.68, 238,928.40 and 109,580.40 is: 151,204.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,155.68 : 238,928.40 = 109,580.40 : x
  2. Step 2: Convert to fraction form
    173,155.68/238,928.40 = 109,580.40/x
  3. Step 3: Cross multiply
    173,155.68x = 238,928.40 × 109,580.40
  4. Step 4: Simplify right side
    173,155.68x = 26,181,869,643.36
  5. Step 5: Solve for x
    x = 26,181,869,643.36/173,155.68
  6. Step 6: Final answer
    x = 151,204.22

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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.