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Finding the Fourth Proportional to 94,662,509.60, 141,993,764.40 and 84,458,842.40

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Solution

The fourth proportional to 94,662,509.60, 141,993,764.40 and 84,458,842.40 is: 126,688,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,662,509.60 : 141,993,764.40 = 84,458,842.40 : x
  2. Step 2: Convert to fraction form
    94,662,509.60/141,993,764.40 = 84,458,842.40/x
  3. Step 3: Cross multiply
    94,662,509.60x = 141,993,764.40 × 84,458,842.40
  4. Step 4: Simplify right side
    94,662,509.60x = 11,992,628,969,242,332
  5. Step 5: Solve for x
    x = 11,992,628,969,242,332/94,662,509.60
  6. Step 6: Final answer
    x = 126,688,263.60

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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.