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Finding the Fourth Proportional to 23,623,903.20, 35,435,854.80 and 20,222,680.80

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Solution

The fourth proportional to 23,623,903.20, 35,435,854.80 and 20,222,680.80 is: 30,334,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,623,903.20 : 35,435,854.80 = 20,222,680.80 : x
  2. Step 2: Convert to fraction form
    23,623,903.20/35,435,854.80 = 20,222,680.80/x
  3. Step 3: Cross multiply
    23,623,903.20x = 35,435,854.80 × 20,222,680.80
  4. Step 4: Simplify right side
    23,623,903.20x = 716,607,980,495,547.75
  5. Step 5: Solve for x
    x = 716,607,980,495,547.75/23,623,903.20
  6. Step 6: Final answer
    x = 30,334,021.20

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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.