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Finding the Fourth Proportional to 223,388.03, 308,282.36 and 127,925.48

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Solution

The fourth proportional to 223,388.03, 308,282.36 and 127,925.48 is: 176,541.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,388.03 : 308,282.36 = 127,925.48 : x
  2. Step 2: Convert to fraction form
    223,388.03/308,282.36 = 127,925.48/x
  3. Step 3: Cross multiply
    223,388.03x = 308,282.36 × 127,925.48
  4. Step 4: Simplify right side
    223,388.03x = 39,437,168,878.53
  5. Step 5: Solve for x
    x = 39,437,168,878.53/223,388.03
  6. Step 6: Final answer
    x = 176,541.10

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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.