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Finding the Fourth Proportional to 22,699,277.80, 34,048,916.70 and 14,205,812.20

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Solution

The fourth proportional to 22,699,277.80, 34,048,916.70 and 14,205,812.20 is: 21,308,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,699,277.80 : 34,048,916.70 = 14,205,812.20 : x
  2. Step 2: Convert to fraction form
    22,699,277.80/34,048,916.70 = 14,205,812.20/x
  3. Step 3: Cross multiply
    22,699,277.80x = 34,048,916.70 × 14,205,812.20
  4. Step 4: Simplify right side
    22,699,277.80x = 483,692,516,253,643.75
  5. Step 5: Solve for x
    x = 483,692,516,253,643.75/22,699,277.80
  6. Step 6: Final answer
    x = 21,308,718.30

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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.