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Finding the Fourth Proportional to 243,058.70, 364,539.45 and 116,698.70

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Solution

The fourth proportional to 243,058.70, 364,539.45 and 116,698.70 is: 175,024.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,058.70 : 364,539.45 = 116,698.70 : x
  2. Step 2: Convert to fraction form
    243,058.70/364,539.45 = 116,698.70/x
  3. Step 3: Cross multiply
    243,058.70x = 364,539.45 × 116,698.70
  4. Step 4: Simplify right side
    243,058.70x = 42,541,279,913.72
  5. Step 5: Solve for x
    x = 42,541,279,913.72/243,058.70
  6. Step 6: Final answer
    x = 175,024.72

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1.5x scale

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.