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Finding the Fourth Proportional to 60,563,760.60, 90,845,640.90 and 55,887,079.80

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Solution

The fourth proportional to 60,563,760.60, 90,845,640.90 and 55,887,079.80 is: 83,830,619.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,563,760.60 : 90,845,640.90 = 55,887,079.80 : x
  2. Step 2: Convert to fraction form
    60,563,760.60/90,845,640.90 = 55,887,079.80/x
  3. Step 3: Cross multiply
    60,563,760.60x = 90,845,640.90 × 55,887,079.80
  4. Step 4: Simplify right side
    60,563,760.60x = 5,077,097,582,460,444
  5. Step 5: Solve for x
    x = 5,077,097,582,460,444/60,563,760.60
  6. Step 6: Final answer
    x = 83,830,619.70

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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.