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Finding the Fourth Proportional to 74,602,692.30, 111,904,038.45 and 44,294,954.70

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Solution

The fourth proportional to 74,602,692.30, 111,904,038.45 and 44,294,954.70 is: 66,442,432.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,602,692.30 : 111,904,038.45 = 44,294,954.70 : x
  2. Step 2: Convert to fraction form
    74,602,692.30/111,904,038.45 = 44,294,954.70/x
  3. Step 3: Cross multiply
    74,602,692.30x = 111,904,038.45 × 44,294,954.70
  4. Step 4: Simplify right side
    74,602,692.30x = 4,956,784,313,889,809
  5. Step 5: Solve for x
    x = 4,956,784,313,889,809/74,602,692.30
  6. Step 6: Final answer
    x = 66,442,432.05

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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.