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Finding the Fourth Proportional to 60,658,533.60, 90,798,843.60 and 43,652,421.60

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Solution

The fourth proportional to 60,658,533.60, 90,798,843.60 and 43,652,421.60 is: 65,342,651.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,658,533.60 : 90,798,843.60 = 43,652,421.60 : x
  2. Step 2: Convert to fraction form
    60,658,533.60/90,798,843.60 = 43,652,421.60/x
  3. Step 3: Cross multiply
    60,658,533.60x = 90,798,843.60 × 43,652,421.60
  4. Step 4: Simplify right side
    60,658,533.60x = 3,963,589,401,619,661.50
  5. Step 5: Solve for x
    x = 3,963,589,401,619,661.50/60,658,533.60
  6. Step 6: Final answer
    x = 65,342,651.17

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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.