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Finding the Fourth Proportional to 94,209.93, 130,009.32 and 53,923.50

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Solution

The fourth proportional to 94,209.93, 130,009.32 and 53,923.50 is: 74,414.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,209.93 : 130,009.32 = 53,923.50 : x
  2. Step 2: Convert to fraction form
    94,209.93/130,009.32 = 53,923.50/x
  3. Step 3: Cross multiply
    94,209.93x = 130,009.32 × 53,923.50
  4. Step 4: Simplify right side
    94,209.93x = 7,010,557,567.02
  5. Step 5: Solve for x
    x = 7,010,557,567.02/94,209.93
  6. Step 6: Final answer
    x = 74,414.21

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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.