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Finding the Fourth Proportional to 255,833.68, 353,047.66 and 141,117.16

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Solution

The fourth proportional to 255,833.68, 353,047.66 and 141,117.16 is: 194,740.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,833.68 : 353,047.66 = 141,117.16 : x
  2. Step 2: Convert to fraction form
    255,833.68/353,047.66 = 141,117.16/x
  3. Step 3: Cross multiply
    255,833.68x = 353,047.66 × 141,117.16
  4. Step 4: Simplify right side
    255,833.68x = 49,821,081,888.43
  5. Step 5: Solve for x
    x = 49,821,081,888.43/255,833.68
  6. Step 6: Final answer
    x = 194,740.12

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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.