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Finding the Fourth Proportional to 106,873.64, 147,482.10 and 59,127.08

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Solution

The fourth proportional to 106,873.64, 147,482.10 and 59,127.08 is: 81,593.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,873.64 : 147,482.10 = 59,127.08 : x
  2. Step 2: Convert to fraction form
    106,873.64/147,482.10 = 59,127.08/x
  3. Step 3: Cross multiply
    106,873.64x = 147,482.10 × 59,127.08
  4. Step 4: Simplify right side
    106,873.64x = 8,720,185,925.27
  5. Step 5: Solve for x
    x = 8,720,185,925.27/106,873.64
  6. Step 6: Final answer
    x = 81,593.42

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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.