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Finding the Fourth Proportional to 104,773.71, 144,590.79 and 57,030.15

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Solution

The fourth proportional to 104,773.71, 144,590.79 and 57,030.15 is: 78,703.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,773.71 : 144,590.79 = 57,030.15 : x
  2. Step 2: Convert to fraction form
    104,773.71/144,590.79 = 57,030.15/x
  3. Step 3: Cross multiply
    104,773.71x = 144,590.79 × 57,030.15
  4. Step 4: Simplify right side
    104,773.71x = 8,246,034,442.32
  5. Step 5: Solve for x
    x = 8,246,034,442.32/104,773.71
  6. Step 6: Final answer
    x = 78,703.28

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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.