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Finding the Fourth Proportional to 60,658,276.80, 90,987,415.20 and 30,362,203.20

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Solution

The fourth proportional to 60,658,276.80, 90,987,415.20 and 30,362,203.20 is: 45,543,304.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,658,276.80 : 90,987,415.20 = 30,362,203.20 : x
  2. Step 2: Convert to fraction form
    60,658,276.80/90,987,415.20 = 30,362,203.20/x
  3. Step 3: Cross multiply
    60,658,276.80x = 90,987,415.20 × 30,362,203.20
  4. Step 4: Simplify right side
    60,658,276.80x = 2,762,578,388,945,168.50
  5. Step 5: Solve for x
    x = 2,762,578,388,945,168.50/60,658,276.80
  6. Step 6: Final answer
    x = 45,543,304.80

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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.