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Finding the Fourth Proportional to 243,054.06, 335,485.01 and 141,102.42

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Solution

The fourth proportional to 243,054.06, 335,485.01 and 141,102.42 is: 194,762.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,054.06 : 335,485.01 = 141,102.42 : x
  2. Step 2: Convert to fraction form
    243,054.06/335,485.01 = 141,102.42/x
  3. Step 3: Cross multiply
    243,054.06x = 335,485.01 × 141,102.42
  4. Step 4: Simplify right side
    243,054.06x = 47,337,746,784.72
  5. Step 5: Solve for x
    x = 47,337,746,784.72/243,054.06
  6. Step 6: Final answer
    x = 194,762.21

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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.