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Finding the Fourth Proportional to 73,787.76, 110,106.15 and 65,835.63

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Solution

The fourth proportional to 73,787.76, 110,106.15 and 65,835.63 is: 98,239.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,787.76 : 110,106.15 = 65,835.63 : x
  2. Step 2: Convert to fraction form
    73,787.76/110,106.15 = 65,835.63/x
  3. Step 3: Cross multiply
    73,787.76x = 110,106.15 × 65,835.63
  4. Step 4: Simplify right side
    73,787.76x = 7,248,907,752.12
  5. Step 5: Solve for x
    x = 7,248,907,752.12/73,787.76
  6. Step 6: Final answer
    x = 98,239.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.