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Finding the Fourth Proportional to 89,744,485.60, 134,616,728.40 and 46,697,764.60

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Solution

The fourth proportional to 89,744,485.60, 134,616,728.40 and 46,697,764.60 is: 70,046,646.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,744,485.60 : 134,616,728.40 = 46,697,764.60 : x
  2. Step 2: Convert to fraction form
    89,744,485.60/134,616,728.40 = 46,697,764.60/x
  3. Step 3: Cross multiply
    89,744,485.60x = 134,616,728.40 × 46,697,764.60
  4. Step 4: Simplify right side
    89,744,485.60x = 6,286,300,294,045,335
  5. Step 5: Solve for x
    x = 6,286,300,294,045,335/89,744,485.60
  6. Step 6: Final answer
    x = 70,046,646.90

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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.