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Finding the Fourth Proportional to 43,664,139.40, 65,502,041.10 and 14,903,048.20

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Solution

The fourth proportional to 43,664,139.40, 65,502,041.10 and 14,903,048.20 is: 22,356,562.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,664,139.40 : 65,502,041.10 = 14,903,048.20 : x
  2. Step 2: Convert to fraction form
    43,664,139.40/65,502,041.10 = 14,903,048.20/x
  3. Step 3: Cross multiply
    43,664,139.40x = 65,502,041.10 × 14,903,048.20
  4. Step 4: Simplify right side
    43,664,139.40x = 976,180,075,711,681
  5. Step 5: Solve for x
    x = 976,180,075,711,681/43,664,139.40
  6. Step 6: Final answer
    x = 22,356,562.83

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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.