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Finding the Fourth Proportional to 141,853.60, 212,488.80 and 97,530.40

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Solution

The fourth proportional to 141,853.60, 212,488.80 and 97,530.40 is: 146,095.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,853.60 : 212,488.80 = 97,530.40 : x
  2. Step 2: Convert to fraction form
    141,853.60/212,488.80 = 97,530.40/x
  3. Step 3: Cross multiply
    141,853.60x = 212,488.80 × 97,530.40
  4. Step 4: Simplify right side
    141,853.60x = 20,724,117,659.52
  5. Step 5: Solve for x
    x = 20,724,117,659.52/141,853.60
  6. Step 6: Final answer
    x = 146,095.11

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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.