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Finding the Fourth Proportional to 235,314.61, 324,736.65 and 127,884.64

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Solution

The fourth proportional to 235,314.61, 324,736.65 and 127,884.64 is: 176,482.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,314.61 : 324,736.65 = 127,884.64 : x
  2. Step 2: Convert to fraction form
    235,314.61/324,736.65 = 127,884.64/x
  3. Step 3: Cross multiply
    235,314.61x = 324,736.65 × 127,884.64
  4. Step 4: Simplify right side
    235,314.61x = 41,528,829,580.06
  5. Step 5: Solve for x
    x = 41,528,829,580.06/235,314.61
  6. Step 6: Final answer
    x = 176,482.16

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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.