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Finding the Fourth Proportional to 14,367,041.55, 20,164,246.65 and 14,367,041.55

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Solution

The fourth proportional to 14,367,041.55, 20,164,246.65 and 14,367,041.55 is: 20,164,246.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,367,041.55 : 20,164,246.65 = 14,367,041.55 : x
  2. Step 2: Convert to fraction form
    14,367,041.55/20,164,246.65 = 14,367,041.55/x
  3. Step 3: Cross multiply
    14,367,041.55x = 20,164,246.65 × 14,367,041.55
  4. Step 4: Simplify right side
    14,367,041.55x = 289,700,569,444,998.31
  5. Step 5: Solve for x
    x = 289,700,569,444,998.31/14,367,041.55
  6. Step 6: Final answer
    x = 20,164,246.65

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.