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Finding the Fourth Proportional to 130,094.25, 179,530.31 and 70,478.25

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Solution

The fourth proportional to 130,094.25, 179,530.31 and 70,478.25 is: 97,260.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,094.25 : 179,530.31 = 70,478.25 : x
  2. Step 2: Convert to fraction form
    130,094.25/179,530.31 = 70,478.25/x
  3. Step 3: Cross multiply
    130,094.25x = 179,530.31 × 70,478.25
  4. Step 4: Simplify right side
    130,094.25x = 12,652,981,718.37
  5. Step 5: Solve for x
    x = 12,652,981,718.37/130,094.25
  6. Step 6: Final answer
    x = 97,260.12

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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.