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Finding the Fourth Proportional to 101,661,643.80, 152,492,465.70 and 94,646,622.60

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Solution

The fourth proportional to 101,661,643.80, 152,492,465.70 and 94,646,622.60 is: 141,969,933.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,661,643.80 : 152,492,465.70 = 94,646,622.60 : x
  2. Step 2: Convert to fraction form
    101,661,643.80/152,492,465.70 = 94,646,622.60/x
  3. Step 3: Cross multiply
    101,661,643.80x = 152,492,465.70 × 94,646,622.60
  4. Step 4: Simplify right side
    101,661,643.80x = 14,432,896,850,451,342
  5. Step 5: Solve for x
    x = 14,432,896,850,451,342/101,661,643.80
  6. Step 6: Final answer
    x = 141,969,933.90

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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.