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Finding the Fourth Proportional to 147,322.04, 203,294.84 and 86,878.82

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Solution

The fourth proportional to 147,322.04, 203,294.84 and 86,878.82 is: 119,887.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,322.04 : 203,294.84 = 86,878.82 : x
  2. Step 2: Convert to fraction form
    147,322.04/203,294.84 = 86,878.82/x
  3. Step 3: Cross multiply
    147,322.04x = 203,294.84 × 86,878.82
  4. Step 4: Simplify right side
    147,322.04x = 17,662,015,885.13
  5. Step 5: Solve for x
    x = 17,662,015,885.13/147,322.04
  6. Step 6: Final answer
    x = 119,887.13

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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.