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Finding the Fourth Proportional to 360,126.17, 540,216.59 and 107,386.88

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Solution

The fourth proportional to 360,126.17, 540,216.59 and 107,386.88 is: 161,088.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,126.17 : 540,216.59 = 107,386.88 : x
  2. Step 2: Convert to fraction form
    360,126.17/540,216.59 = 107,386.88/x
  3. Step 3: Cross multiply
    360,126.17x = 540,216.59 × 107,386.88
  4. Step 4: Simplify right side
    360,126.17x = 58,012,174,529.09
  5. Step 5: Solve for x
    x = 58,012,174,529.09/360,126.17
  6. Step 6: Final answer
    x = 161,088.47

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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.