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Finding the Fourth Proportional to 162,339.95, 224,028.48 and 90,719.95

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Solution

The fourth proportional to 162,339.95, 224,028.48 and 90,719.95 is: 125,193.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,339.95 : 224,028.48 = 90,719.95 : x
  2. Step 2: Convert to fraction form
    162,339.95/224,028.48 = 90,719.95/x
  3. Step 3: Cross multiply
    162,339.95x = 224,028.48 × 90,719.95
  4. Step 4: Simplify right side
    162,339.95x = 20,323,851,490.51
  5. Step 5: Solve for x
    x = 20,323,851,490.51/162,339.95
  6. Step 6: Final answer
    x = 125,193.16

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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.