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Finding the Fourth Proportional to 88,864.54, 133,269.90 and 46,721.91

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Solution

The fourth proportional to 88,864.54, 133,269.90 and 46,721.91 is: 70,068.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,864.54 : 133,269.90 = 46,721.91 : x
  2. Step 2: Convert to fraction form
    88,864.54/133,269.90 = 46,721.91/x
  3. Step 3: Cross multiply
    88,864.54x = 133,269.90 × 46,721.91
  4. Step 4: Simplify right side
    88,864.54x = 6,226,624,273.51
  5. Step 5: Solve for x
    x = 6,226,624,273.51/88,864.54
  6. Step 6: Final answer
    x = 70,068.72

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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.