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Finding the Fourth Proportional to 202,064.70, 302,902.65 and 157,061.10

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Solution

The fourth proportional to 202,064.70, 302,902.65 and 157,061.10 is: 235,440.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,064.70 : 302,902.65 = 157,061.10 : x
  2. Step 2: Convert to fraction form
    202,064.70/302,902.65 = 157,061.10/x
  3. Step 3: Cross multiply
    202,064.70x = 302,902.65 × 157,061.10
  4. Step 4: Simplify right side
    202,064.70x = 47,574,223,401.92
  5. Step 5: Solve for x
    x = 47,574,223,401.92/202,064.70
  6. Step 6: Final answer
    x = 235,440.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.