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Finding the Fourth Proportional to 84,898.77, 117,154.62 and 46,657.50

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Solution

The fourth proportional to 84,898.77, 117,154.62 and 46,657.50 is: 64,384.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,898.77 : 117,154.62 = 46,657.50 : x
  2. Step 2: Convert to fraction form
    84,898.77/117,154.62 = 46,657.50/x
  3. Step 3: Cross multiply
    84,898.77x = 117,154.62 × 46,657.50
  4. Step 4: Simplify right side
    84,898.77x = 5,466,141,682.65
  5. Step 5: Solve for x
    x = 5,466,141,682.65/84,898.77
  6. Step 6: Final answer
    x = 64,384.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.