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Finding the Fourth Proportional to 130,362.50, 179,900.25 and 73,774.01

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Solution

The fourth proportional to 130,362.50, 179,900.25 and 73,774.01 is: 101,808.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,362.50 : 179,900.25 = 73,774.01 : x
  2. Step 2: Convert to fraction form
    130,362.50/179,900.25 = 73,774.01/x
  3. Step 3: Cross multiply
    130,362.50x = 179,900.25 × 73,774.01
  4. Step 4: Simplify right side
    130,362.50x = 13,271,962,842.50
  5. Step 5: Solve for x
    x = 13,271,962,842.50/130,362.50
  6. Step 6: Final answer
    x = 101,808.13

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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.