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Finding the Fourth Proportional to 65,659,651.23, 90,610,674.93 and 35,890,339.29

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Solution

The fourth proportional to 65,659,651.23, 90,610,674.93 and 35,890,339.29 is: 49,528,862.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,659,651.23 : 90,610,674.93 = 35,890,339.29 : x
  2. Step 2: Convert to fraction form
    65,659,651.23/90,610,674.93 = 35,890,339.29/x
  3. Step 3: Cross multiply
    65,659,651.23x = 90,610,674.93 × 35,890,339.29
  4. Step 4: Simplify right side
    65,659,651.23x = 3,252,047,866,533,597
  5. Step 5: Solve for x
    x = 3,252,047,866,533,597/65,659,651.23
  6. Step 6: Final answer
    x = 49,528,862.94

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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.