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Finding the Fourth Proportional to 153,549.72, 230,361 and 48,368.40

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Solution

The fourth proportional to 153,549.72, 230,361 and 48,368.40 is: 72,564.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,549.72 : 230,361 = 48,368.40 : x
  2. Step 2: Convert to fraction form
    153,549.72/230,361 = 48,368.40/x
  3. Step 3: Cross multiply
    153,549.72x = 230,361 × 48,368.40
  4. Step 4: Simplify right side
    153,549.72x = 11,142,192,992.40
  5. Step 5: Solve for x
    x = 11,142,192,992.40/153,549.72
  6. Step 6: Final answer
    x = 72,564.07

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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.