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Finding the Fourth Proportional to 67,774,368.80, 101,598,567.60 and 47,304,048.80

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Solution

The fourth proportional to 67,774,368.80, 101,598,567.60 and 47,304,048.80 is: 70,912,111.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,774,368.80 : 101,598,567.60 = 47,304,048.80 : x
  2. Step 2: Convert to fraction form
    67,774,368.80/101,598,567.60 = 47,304,048.80/x
  3. Step 3: Cross multiply
    67,774,368.80x = 101,598,567.60 × 47,304,048.80
  4. Step 4: Simplify right side
    67,774,368.80x = 4,806,023,599,760,498
  5. Step 5: Solve for x
    x = 4,806,023,599,760,498/67,774,368.80
  6. Step 6: Final answer
    x = 70,912,111.54

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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.