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Finding the Fourth Proportional to 107,673, 148,577.70 and 62,365.70

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Solution

The fourth proportional to 107,673, 148,577.70 and 62,365.70 is: 86,058.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,673 : 148,577.70 = 62,365.70 : x
  2. Step 2: Convert to fraction form
    107,673/148,577.70 = 62,365.70/x
  3. Step 3: Cross multiply
    107,673x = 148,577.70 × 62,365.70
  4. Step 4: Simplify right side
    107,673x = 9,266,152,264.89
  5. Step 5: Solve for x
    x = 9,266,152,264.89/107,673
  6. Step 6: Final answer
    x = 86,058.27

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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.