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Finding the Fourth Proportional to 141,597.64, 212,425.62 and 118,386.28

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Solution

The fourth proportional to 141,597.64, 212,425.62 and 118,386.28 is: 177,603.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,597.64 : 212,425.62 = 118,386.28 : x
  2. Step 2: Convert to fraction form
    141,597.64/212,425.62 = 118,386.28/x
  3. Step 3: Cross multiply
    141,597.64x = 212,425.62 × 118,386.28
  4. Step 4: Simplify right side
    141,597.64x = 25,148,278,928.49
  5. Step 5: Solve for x
    x = 25,148,278,928.49/141,597.64
  6. Step 6: Final answer
    x = 177,603.80

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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.