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Finding the Fourth Proportional to 181,281.83, 250,208.93 and 100,737.05

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Solution

The fourth proportional to 181,281.83, 250,208.93 and 100,737.05 is: 139,039.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,281.83 : 250,208.93 = 100,737.05 : x
  2. Step 2: Convert to fraction form
    181,281.83/250,208.93 = 100,737.05/x
  3. Step 3: Cross multiply
    181,281.83x = 250,208.93 × 100,737.05
  4. Step 4: Simplify right side
    181,281.83x = 25,205,308,492.65
  5. Step 5: Solve for x
    x = 25,205,308,492.65/181,281.83
  6. Step 6: Final answer
    x = 139,039.36

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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.