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Finding the Fourth Proportional to 295,058.70, 442,587.72 and 117,690.30

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Solution

The fourth proportional to 295,058.70, 442,587.72 and 117,690.30 is: 176,535.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,058.70 : 442,587.72 = 117,690.30 : x
  2. Step 2: Convert to fraction form
    295,058.70/442,587.72 = 117,690.30/x
  3. Step 3: Cross multiply
    295,058.70x = 442,587.72 × 117,690.30
  4. Step 4: Simplify right side
    295,058.70x = 52,088,281,543.12
  5. Step 5: Solve for x
    x = 52,088,281,543.12/295,058.70
  6. Step 6: Final answer
    x = 176,535.32

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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.