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Finding the Fourth Proportional to 130,050.54, 179,469.09 and 70,434.54

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Solution

The fourth proportional to 130,050.54, 179,469.09 and 70,434.54 is: 97,199.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,050.54 : 179,469.09 = 70,434.54 : x
  2. Step 2: Convert to fraction form
    130,050.54/179,469.09 = 70,434.54/x
  3. Step 3: Cross multiply
    130,050.54x = 179,469.09 × 70,434.54
  4. Step 4: Simplify right side
    130,050.54x = 12,640,822,798.37
  5. Step 5: Solve for x
    x = 12,640,822,798.37/130,050.54
  6. Step 6: Final answer
    x = 97,199.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.