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Finding the Fourth Proportional to 115,365.70, 173,048.55 and 70,848.10

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Solution

The fourth proportional to 115,365.70, 173,048.55 and 70,848.10 is: 106,272.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,365.70 : 173,048.55 = 70,848.10 : x
  2. Step 2: Convert to fraction form
    115,365.70/173,048.55 = 70,848.10/x
  3. Step 3: Cross multiply
    115,365.70x = 173,048.55 × 70,848.10
  4. Step 4: Simplify right side
    115,365.70x = 12,260,160,975.26
  5. Step 5: Solve for x
    x = 12,260,160,975.26/115,365.70
  6. Step 6: Final answer
    x = 106,272.15

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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.