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Finding the Fourth Proportional to 162,579.88, 224,368.95 and 90,955.63

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Solution

The fourth proportional to 162,579.88, 224,368.95 and 90,955.63 is: 125,523.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,579.88 : 224,368.95 = 90,955.63 : x
  2. Step 2: Convert to fraction form
    162,579.88/224,368.95 = 90,955.63/x
  3. Step 3: Cross multiply
    162,579.88x = 224,368.95 × 90,955.63
  4. Step 4: Simplify right side
    162,579.88x = 20,407,619,199.69
  5. Step 5: Solve for x
    x = 20,407,619,199.69/162,579.88
  6. Step 6: Final answer
    x = 125,523.65

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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.