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Finding the Fourth Proportional to 242,349.08, 334,224 and 151,713.30

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Solution

The fourth proportional to 242,349.08, 334,224 and 151,713.30 is: 209,228.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,349.08 : 334,224 = 151,713.30 : x
  2. Step 2: Convert to fraction form
    242,349.08/334,224 = 151,713.30/x
  3. Step 3: Cross multiply
    242,349.08x = 334,224 × 151,713.30
  4. Step 4: Simplify right side
    242,349.08x = 50,706,225,979.20
  5. Step 5: Solve for x
    x = 50,706,225,979.20/242,349.08
  6. Step 6: Final answer
    x = 209,228.05

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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.