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Finding the Fourth Proportional to 229,123.48, 343,690.98 and 62,911

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Solution

The fourth proportional to 229,123.48, 343,690.98 and 62,911 is: 94,368.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,123.48 : 343,690.98 = 62,911 : x
  2. Step 2: Convert to fraction form
    229,123.48/343,690.98 = 62,911/x
  3. Step 3: Cross multiply
    229,123.48x = 343,690.98 × 62,911
  4. Step 4: Simplify right side
    229,123.48x = 21,621,943,242.78
  5. Step 5: Solve for x
    x = 21,621,943,242.78/229,123.48
  6. Step 6: Final answer
    x = 94,368.08

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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.