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Finding the Fourth Proportional to 103,429.14, 154,837.53 and 63,859.02

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Solution

The fourth proportional to 103,429.14, 154,837.53 and 63,859.02 is: 95,599.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,429.14 : 154,837.53 = 63,859.02 : x
  2. Step 2: Convert to fraction form
    103,429.14/154,837.53 = 63,859.02/x
  3. Step 3: Cross multiply
    103,429.14x = 154,837.53 × 63,859.02
  4. Step 4: Simplify right side
    103,429.14x = 9,887,772,925.02
  5. Step 5: Solve for x
    x = 9,887,772,925.02/103,429.14
  6. Step 6: Final answer
    x = 95,599.49

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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.