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Finding the Fourth Proportional to 235,270.60, 324,675.47 and 127,840.63

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Solution

The fourth proportional to 235,270.60, 324,675.47 and 127,840.63 is: 176,421.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,270.60 : 324,675.47 = 127,840.63 : x
  2. Step 2: Convert to fraction form
    235,270.60/324,675.47 = 127,840.63/x
  3. Step 3: Cross multiply
    235,270.60x = 324,675.47 × 127,840.63
  4. Step 4: Simplify right side
    235,270.60x = 41,506,716,138.26
  5. Step 5: Solve for x
    x = 41,506,716,138.26/235,270.60
  6. Step 6: Final answer
    x = 176,421.18

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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.