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Finding the Fourth Proportional to 228,292.38, 342,428.74 and 59,808.98

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Solution

The fourth proportional to 228,292.38, 342,428.74 and 59,808.98 is: 89,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,292.38 : 342,428.74 = 59,808.98 : x
  2. Step 2: Convert to fraction form
    228,292.38/342,428.74 = 59,808.98/x
  3. Step 3: Cross multiply
    228,292.38x = 342,428.74 × 59,808.98
  4. Step 4: Simplify right side
    228,292.38x = 20,480,314,368.63
  5. Step 5: Solve for x
    x = 20,480,314,368.63/228,292.38
  6. Step 6: Final answer
    x = 89,710.90

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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.