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Finding the Fourth Proportional to 235,458.40, 353,187.60 and 102,402.40

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Solution

The fourth proportional to 235,458.40, 353,187.60 and 102,402.40 is: 153,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,458.40 : 353,187.60 = 102,402.40 : x
  2. Step 2: Convert to fraction form
    235,458.40/353,187.60 = 102,402.40/x
  3. Step 3: Cross multiply
    235,458.40x = 353,187.60 × 102,402.40
  4. Step 4: Simplify right side
    235,458.40x = 36,167,257,890.24
  5. Step 5: Solve for x
    x = 36,167,257,890.24/235,458.40
  6. Step 6: Final answer
    x = 153,603.60

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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.