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Finding the Fourth Proportional to 130,141.56, 179,595.60 and 70,525.56

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Solution

The fourth proportional to 130,141.56, 179,595.60 and 70,525.56 is: 97,325.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,141.56 : 179,595.60 = 70,525.56 : x
  2. Step 2: Convert to fraction form
    130,141.56/179,595.60 = 70,525.56/x
  3. Step 3: Cross multiply
    130,141.56x = 179,595.60 × 70,525.56
  4. Step 4: Simplify right side
    130,141.56x = 12,666,080,263.54
  5. Step 5: Solve for x
    x = 12,666,080,263.54/130,141.56
  6. Step 6: Final answer
    x = 97,325.41

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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.