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Finding the Fourth Proportional to 294,881.64, 442,322.80 and 89,718.03

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Solution

The fourth proportional to 294,881.64, 442,322.80 and 89,718.03 is: 134,577.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,881.64 : 442,322.80 = 89,718.03 : x
  2. Step 2: Convert to fraction form
    294,881.64/442,322.80 = 89,718.03/x
  3. Step 3: Cross multiply
    294,881.64x = 442,322.80 × 89,718.03
  4. Step 4: Simplify right side
    294,881.64x = 39,684,330,268.12
  5. Step 5: Solve for x
    x = 39,684,330,268.12/294,881.64
  6. Step 6: Final answer
    x = 134,577.15

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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.