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Finding the Fourth Proportional to 70,404.59, 105,606.89 and 46,758.33

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Solution

The fourth proportional to 70,404.59, 105,606.89 and 46,758.33 is: 70,137.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,404.59 : 105,606.89 = 46,758.33 : x
  2. Step 2: Convert to fraction form
    70,404.59/105,606.89 = 46,758.33/x
  3. Step 3: Cross multiply
    70,404.59x = 105,606.89 × 46,758.33
  4. Step 4: Simplify right side
    70,404.59x = 4,938,001,579.10
  5. Step 5: Solve for x
    x = 4,938,001,579.10/70,404.59
  6. Step 6: Final answer
    x = 70,137.50

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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.