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Finding the Fourth Proportional to 130,987.84, 196,488.48 and 37,507.52

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Solution

The fourth proportional to 130,987.84, 196,488.48 and 37,507.52 is: 56,263.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,987.84 : 196,488.48 = 37,507.52 : x
  2. Step 2: Convert to fraction form
    130,987.84/196,488.48 = 37,507.52/x
  3. Step 3: Cross multiply
    130,987.84x = 196,488.48 × 37,507.52
  4. Step 4: Simplify right side
    130,987.84x = 7,369,795,593.37
  5. Step 5: Solve for x
    x = 7,369,795,593.37/130,987.84
  6. Step 6: Final answer
    x = 56,263.20

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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.