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Finding the Fourth Proportional to 255,875.69, 383,182.79 and 160,870.19

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Solution

The fourth proportional to 255,875.69, 383,182.79 and 160,870.19 is: 240,908.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,875.69 : 383,182.79 = 160,870.19 : x
  2. Step 2: Convert to fraction form
    255,875.69/383,182.79 = 160,870.19/x
  3. Step 3: Cross multiply
    255,875.69x = 383,182.79 × 160,870.19
  4. Step 4: Simplify right side
    255,875.69x = 61,642,686,718.29
  5. Step 5: Solve for x
    x = 61,642,686,718.29/255,875.69
  6. Step 6: Final answer
    x = 240,908.72

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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.