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Finding the Fourth Proportional to 152,274.52, 228,411.78 and 47,094.40

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Solution

The fourth proportional to 152,274.52, 228,411.78 and 47,094.40 is: 70,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,274.52 : 228,411.78 = 47,094.40 : x
  2. Step 2: Convert to fraction form
    152,274.52/228,411.78 = 47,094.40/x
  3. Step 3: Cross multiply
    152,274.52x = 228,411.78 × 47,094.40
  4. Step 4: Simplify right side
    152,274.52x = 10,756,915,732.03
  5. Step 5: Solve for x
    x = 10,756,915,732.03/152,274.52
  6. Step 6: Final answer
    x = 70,641.60

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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.