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Finding the Fourth Proportional to 223,547.10, 335,320.65 and 83,276.70

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Solution

The fourth proportional to 223,547.10, 335,320.65 and 83,276.70 is: 124,915.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,547.10 : 335,320.65 = 83,276.70 : x
  2. Step 2: Convert to fraction form
    223,547.10/335,320.65 = 83,276.70/x
  3. Step 3: Cross multiply
    223,547.10x = 335,320.65 × 83,276.70
  4. Step 4: Simplify right side
    223,547.10x = 27,924,397,173.86
  5. Step 5: Solve for x
    x = 27,924,397,173.86/223,547.10
  6. Step 6: Final answer
    x = 124,915.05

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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.