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Finding the Fourth Proportional to 70,066.08, 104,911.20 and 43,718.40

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Solution

The fourth proportional to 70,066.08, 104,911.20 and 43,718.40 is: 65,460.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,066.08 : 104,911.20 = 43,718.40 : x
  2. Step 2: Convert to fraction form
    70,066.08/104,911.20 = 43,718.40/x
  3. Step 3: Cross multiply
    70,066.08x = 104,911.20 × 43,718.40
  4. Step 4: Simplify right side
    70,066.08x = 4,586,549,806.08
  5. Step 5: Solve for x
    x = 4,586,549,806.08/70,066.08
  6. Step 6: Final answer
    x = 65,460.35

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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.