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Finding the Fourth Proportional to 235,430.60, 353,145.90 and 151,449.80

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Solution

The fourth proportional to 235,430.60, 353,145.90 and 151,449.80 is: 227,174.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,430.60 : 353,145.90 = 151,449.80 : x
  2. Step 2: Convert to fraction form
    235,430.60/353,145.90 = 151,449.80/x
  3. Step 3: Cross multiply
    235,430.60x = 353,145.90 × 151,449.80
  4. Step 4: Simplify right side
    235,430.60x = 53,483,875,925.82
  5. Step 5: Solve for x
    x = 53,483,875,925.82/235,430.60
  6. Step 6: Final answer
    x = 227,174.70

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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.