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Finding the Fourth Proportional to 60,563,762.60, 90,845,643.90 and 55,887,081.80

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Solution

The fourth proportional to 60,563,762.60, 90,845,643.90 and 55,887,081.80 is: 83,830,622.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,563,762.60 : 90,845,643.90 = 55,887,081.80 : x
  2. Step 2: Convert to fraction form
    60,563,762.60/90,845,643.90 = 55,887,081.80/x
  3. Step 3: Cross multiply
    60,563,762.60x = 90,845,643.90 × 55,887,081.80
  4. Step 4: Simplify right side
    60,563,762.60x = 5,077,097,931,812,971
  5. Step 5: Solve for x
    x = 5,077,097,931,812,971/60,563,762.60
  6. Step 6: Final answer
    x = 83,830,622.70

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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.