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Finding the Fourth Proportional to 191,750.64, 264,616.78 and 111,225.84

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Solution

The fourth proportional to 191,750.64, 264,616.78 and 111,225.84 is: 153,492.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,750.64 : 264,616.78 = 111,225.84 : x
  2. Step 2: Convert to fraction form
    191,750.64/264,616.78 = 111,225.84/x
  3. Step 3: Cross multiply
    191,750.64x = 264,616.78 × 111,225.84
  4. Step 4: Simplify right side
    191,750.64x = 29,432,223,633.60
  5. Step 5: Solve for x
    x = 29,432,223,633.60/191,750.64
  6. Step 6: Final answer
    x = 153,492.18

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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.