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Finding the Fourth Proportional to 181,724.61, 250,779.98 and 101,150.40

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Solution

The fourth proportional to 181,724.61, 250,779.98 and 101,150.40 is: 139,587.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,724.61 : 250,779.98 = 101,150.40 : x
  2. Step 2: Convert to fraction form
    181,724.61/250,779.98 = 101,150.40/x
  3. Step 3: Cross multiply
    181,724.61x = 250,779.98 × 101,150.40
  4. Step 4: Simplify right side
    181,724.61x = 25,366,496,482.29
  5. Step 5: Solve for x
    x = 25,366,496,482.29/181,724.61
  6. Step 6: Final answer
    x = 139,587.57

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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.