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Finding the Fourth Proportional to 210,124.95, 289,971.08 and 119,480.93

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Solution

The fourth proportional to 210,124.95, 289,971.08 and 119,480.93 is: 164,882.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,124.95 : 289,971.08 = 119,480.93 : x
  2. Step 2: Convert to fraction form
    210,124.95/289,971.08 = 119,480.93/x
  3. Step 3: Cross multiply
    210,124.95x = 289,971.08 × 119,480.93
  4. Step 4: Simplify right side
    210,124.95x = 34,646,014,311.50
  5. Step 5: Solve for x
    x = 34,646,014,311.50/210,124.95
  6. Step 6: Final answer
    x = 164,882.92

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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.