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Finding the Fourth Proportional to 162,389.64, 224,126.22 and 94,427.64

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Solution

The fourth proportional to 162,389.64, 224,126.22 and 94,427.64 is: 130,326.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,389.64 : 224,126.22 = 94,427.64 : x
  2. Step 2: Convert to fraction form
    162,389.64/224,126.22 = 94,427.64/x
  3. Step 3: Cross multiply
    162,389.64x = 224,126.22 × 94,427.64
  4. Step 4: Simplify right side
    162,389.64x = 21,163,710,016.72
  5. Step 5: Solve for x
    x = 21,163,710,016.72/162,389.64
  6. Step 6: Final answer
    x = 130,326.73

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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.