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Finding the Fourth Proportional to 83,988, 115,903.44 and 46,263.06

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Solution

The fourth proportional to 83,988, 115,903.44 and 46,263.06 is: 63,843.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,988 : 115,903.44 = 46,263.06 : x
  2. Step 2: Convert to fraction form
    83,988/115,903.44 = 46,263.06/x
  3. Step 3: Cross multiply
    83,988x = 115,903.44 × 46,263.06
  4. Step 4: Simplify right side
    83,988x = 5,362,047,798.93
  5. Step 5: Solve for x
    x = 5,362,047,798.93/83,988
  6. Step 6: Final answer
    x = 63,843.02

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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.