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Finding the Fourth Proportional to 151,326.84, 208,606.94 and 96,870.98

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Solution

The fourth proportional to 151,326.84, 208,606.94 and 96,870.98 is: 133,538.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,326.84 : 208,606.94 = 96,870.98 : x
  2. Step 2: Convert to fraction form
    151,326.84/208,606.94 = 96,870.98/x
  3. Step 3: Cross multiply
    151,326.84x = 208,606.94 × 96,870.98
  4. Step 4: Simplify right side
    151,326.84x = 20,207,958,712.60
  5. Step 5: Solve for x
    x = 20,207,958,712.60/151,326.84
  6. Step 6: Final answer
    x = 133,538.50

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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.