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Finding the Fourth Proportional to 70,334,523.60, 105,501,785.40 and 70,334,523.60

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Solution

The fourth proportional to 70,334,523.60, 105,501,785.40 and 70,334,523.60 is: 105,501,785.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,334,523.60 : 105,501,785.40 = 70,334,523.60 : x
  2. Step 2: Convert to fraction form
    70,334,523.60/105,501,785.40 = 70,334,523.60/x
  3. Step 3: Cross multiply
    70,334,523.60x = 105,501,785.40 × 70,334,523.60
  4. Step 4: Simplify right side
    70,334,523.60x = 7,420,417,815,058,435
  5. Step 5: Solve for x
    x = 7,420,417,815,058,435/70,334,523.60
  6. Step 6: Final answer
    x = 105,501,785.40

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1.5x scale

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.