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Finding the Fourth Proportional to 237,597.94, 327,885.43 and 128,702.50

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Solution

The fourth proportional to 237,597.94, 327,885.43 and 128,702.50 is: 177,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,597.94 : 327,885.43 = 128,702.50 : x
  2. Step 2: Convert to fraction form
    237,597.94/327,885.43 = 128,702.50/x
  3. Step 3: Cross multiply
    237,597.94x = 327,885.43 × 128,702.50
  4. Step 4: Simplify right side
    237,597.94x = 42,199,674,554.58
  5. Step 5: Solve for x
    x = 42,199,674,554.58/237,597.94
  6. Step 6: Final answer
    x = 177,609.60

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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.