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Finding the Fourth Proportional to 346,601.25, 519,901.88 and 124,985.25

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Solution

The fourth proportional to 346,601.25, 519,901.88 and 124,985.25 is: 187,477.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,601.25 : 519,901.88 = 124,985.25 : x
  2. Step 2: Convert to fraction form
    346,601.25/519,901.88 = 124,985.25/x
  3. Step 3: Cross multiply
    346,601.25x = 519,901.88 × 124,985.25
  4. Step 4: Simplify right side
    346,601.25x = 64,980,065,822.34
  5. Step 5: Solve for x
    x = 64,980,065,822.34/346,601.25
  6. Step 6: Final answer
    x = 187,477.88

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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.