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Finding the Fourth Proportional to 180,226.95, 248,703.18 and 99,649.65

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Solution

The fourth proportional to 180,226.95, 248,703.18 and 99,649.65 is: 137,510.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,226.95 : 248,703.18 = 99,649.65 : x
  2. Step 2: Convert to fraction form
    180,226.95/248,703.18 = 99,649.65/x
  3. Step 3: Cross multiply
    180,226.95x = 248,703.18 × 99,649.65
  4. Step 4: Simplify right side
    180,226.95x = 24,783,184,840.89
  5. Step 5: Solve for x
    x = 24,783,184,840.89/180,226.95
  6. Step 6: Final answer
    x = 137,510.98

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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.