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Finding the Fourth Proportional to 124,811.90, 175,047.70 and 124,811.90

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Solution

The fourth proportional to 124,811.90, 175,047.70 and 124,811.90 is: 175,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,811.90 : 175,047.70 = 124,811.90 : x
  2. Step 2: Convert to fraction form
    124,811.90/175,047.70 = 124,811.90/x
  3. Step 3: Cross multiply
    124,811.90x = 175,047.70 × 124,811.90
  4. Step 4: Simplify right side
    124,811.90x = 21,848,036,027.63
  5. Step 5: Solve for x
    x = 21,848,036,027.63/124,811.90
  6. Step 6: Final answer
    x = 175,047.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.