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Finding the Fourth Proportional to 141,602.40, 212,403.60 and 116,719.20

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Solution

The fourth proportional to 141,602.40, 212,403.60 and 116,719.20 is: 175,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,602.40 : 212,403.60 = 116,719.20 : x
  2. Step 2: Convert to fraction form
    141,602.40/212,403.60 = 116,719.20/x
  3. Step 3: Cross multiply
    141,602.40x = 212,403.60 × 116,719.20
  4. Step 4: Simplify right side
    141,602.40x = 24,791,578,269.12
  5. Step 5: Solve for x
    x = 24,791,578,269.12/141,602.40
  6. Step 6: Final answer
    x = 175,078.80

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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.