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Finding the Fourth Proportional to 70,089, 105,133.56 and 23,345.52

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Solution

The fourth proportional to 70,089, 105,133.56 and 23,345.52 is: 35,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,089 : 105,133.56 = 23,345.52 : x
  2. Step 2: Convert to fraction form
    70,089/105,133.56 = 23,345.52/x
  3. Step 3: Cross multiply
    70,089x = 105,133.56 × 23,345.52
  4. Step 4: Simplify right side
    70,089x = 2,454,397,627.65
  5. Step 5: Solve for x
    x = 2,454,397,627.65/70,089
  6. Step 6: Final answer
    x = 35,018.30

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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.