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Finding the Fourth Proportional to 54,827,603.60, 82,241,405.40 and 46,218,259.40

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Solution

The fourth proportional to 54,827,603.60, 82,241,405.40 and 46,218,259.40 is: 69,327,389.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,827,603.60 : 82,241,405.40 = 46,218,259.40 : x
  2. Step 2: Convert to fraction form
    54,827,603.60/82,241,405.40 = 46,218,259.40/x
  3. Step 3: Cross multiply
    54,827,603.60x = 82,241,405.40 × 46,218,259.40
  4. Step 4: Simplify right side
    54,827,603.60x = 3,801,054,608,197,761
  5. Step 5: Solve for x
    x = 3,801,054,608,197,761/54,827,603.60
  6. Step 6: Final answer
    x = 69,327,389.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.