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Finding the Fourth Proportional to 74,153,707.20, 111,230,560.80 and 74,153,707.20

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Solution

The fourth proportional to 74,153,707.20, 111,230,560.80 and 74,153,707.20 is: 111,230,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,153,707.20 : 111,230,560.80 = 74,153,707.20 : x
  2. Step 2: Convert to fraction form
    74,153,707.20/111,230,560.80 = 74,153,707.20/x
  3. Step 3: Cross multiply
    74,153,707.20x = 111,230,560.80 × 74,153,707.20
  4. Step 4: Simplify right side
    74,153,707.20x = 8,248,158,437,254,998
  5. Step 5: Solve for x
    x = 8,248,158,437,254,998/74,153,707.20
  6. Step 6: Final answer
    x = 111,230,560.80

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1.5x scale

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.