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Finding the Fourth Proportional to 77,463.65, 106,875.47 and 43,467.14

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Solution

The fourth proportional to 77,463.65, 106,875.47 and 43,467.14 is: 59,970.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,463.65 : 106,875.47 = 43,467.14 : x
  2. Step 2: Convert to fraction form
    77,463.65/106,875.47 = 43,467.14/x
  3. Step 3: Cross multiply
    77,463.65x = 106,875.47 × 43,467.14
  4. Step 4: Simplify right side
    77,463.65x = 4,645,570,799.72
  5. Step 5: Solve for x
    x = 4,645,570,799.72/77,463.65
  6. Step 6: Final answer
    x = 59,970.98

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1.5x scale

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.