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Finding the Fourth Proportional to 72,584,430.80, 108,874,313.40 and 24,064,523.60

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Solution

The fourth proportional to 72,584,430.80, 108,874,313.40 and 24,064,523.60 is: 36,096,011.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,584,430.80 : 108,874,313.40 = 24,064,523.60 : x
  2. Step 2: Convert to fraction form
    72,584,430.80/108,874,313.40 = 24,064,523.60/x
  3. Step 3: Cross multiply
    72,584,430.80x = 108,874,313.40 × 24,064,523.60
  4. Step 4: Simplify right side
    72,584,430.80x = 2,620,008,484,248,096.50
  5. Step 5: Solve for x
    x = 2,620,008,484,248,096.50/72,584,430.80
  6. Step 6: Final answer
    x = 36,096,011.99

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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.