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Finding the Fourth Proportional to 255,554.39, 383,333.01 and 105,713.51

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Solution

The fourth proportional to 255,554.39, 383,333.01 and 105,713.51 is: 158,570.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,554.39 : 383,333.01 = 105,713.51 : x
  2. Step 2: Convert to fraction form
    255,554.39/383,333.01 = 105,713.51/x
  3. Step 3: Cross multiply
    255,554.39x = 383,333.01 × 105,713.51
  4. Step 4: Simplify right side
    255,554.39x = 40,523,475,672.87
  5. Step 5: Solve for x
    x = 40,523,475,672.87/255,554.39
  6. Step 6: Final answer
    x = 158,570.84

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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.