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Finding the Fourth Proportional to 115,796.64, 159,799.35 and 62,804.64

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Solution

The fourth proportional to 115,796.64, 159,799.35 and 62,804.64 is: 86,670.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,796.64 : 159,799.35 = 62,804.64 : x
  2. Step 2: Convert to fraction form
    115,796.64/159,799.35 = 62,804.64/x
  3. Step 3: Cross multiply
    115,796.64x = 159,799.35 × 62,804.64
  4. Step 4: Simplify right side
    115,796.64x = 10,036,140,648.98
  5. Step 5: Solve for x
    x = 10,036,140,648.98/115,796.64
  6. Step 6: Final answer
    x = 86,670.40

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1.5x scale

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.