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Finding the Fourth Proportional to 255,363.02, 383,106.58 and 77,873.18

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Solution

The fourth proportional to 255,363.02, 383,106.58 and 77,873.18 is: 116,828.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,363.02 : 383,106.58 = 77,873.18 : x
  2. Step 2: Convert to fraction form
    255,363.02/383,106.58 = 77,873.18/x
  3. Step 3: Cross multiply
    255,363.02x = 383,106.58 × 77,873.18
  4. Step 4: Simplify right side
    255,363.02x = 29,833,727,663.52
  5. Step 5: Solve for x
    x = 29,833,727,663.52/255,363.02
  6. Step 6: Final answer
    x = 116,828.69

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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.