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Finding the Fourth Proportional to 243,775.96, 365,702.90 and 75,256.67

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Solution

The fourth proportional to 243,775.96, 365,702.90 and 75,256.67 is: 112,897.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,775.96 : 365,702.90 = 75,256.67 : x
  2. Step 2: Convert to fraction form
    243,775.96/365,702.90 = 75,256.67/x
  3. Step 3: Cross multiply
    243,775.96x = 365,702.90 × 75,256.67
  4. Step 4: Simplify right side
    243,775.96x = 27,521,582,463.34
  5. Step 5: Solve for x
    x = 27,521,582,463.34/243,775.96
  6. Step 6: Final answer
    x = 112,897.03

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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.