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Finding the Fourth Proportional to 238,570.95, 329,228.58 and 136,597.98

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Solution

The fourth proportional to 238,570.95, 329,228.58 and 136,597.98 is: 188,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,570.95 : 329,228.58 = 136,597.98 : x
  2. Step 2: Convert to fraction form
    238,570.95/329,228.58 = 136,597.98/x
  3. Step 3: Cross multiply
    238,570.95x = 329,228.58 × 136,597.98
  4. Step 4: Simplify right side
    238,570.95x = 44,971,960,733.12
  5. Step 5: Solve for x
    x = 44,971,960,733.12/238,570.95
  6. Step 6: Final answer
    x = 188,505.60

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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.