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Finding the Fourth Proportional to 210,176.88, 290,050.47 and 119,545.89

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Solution

The fourth proportional to 210,176.88, 290,050.47 and 119,545.89 is: 164,976.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,176.88 : 290,050.47 = 119,545.89 : x
  2. Step 2: Convert to fraction form
    210,176.88/290,050.47 = 119,545.89/x
  3. Step 3: Cross multiply
    210,176.88x = 290,050.47 × 119,545.89
  4. Step 4: Simplify right side
    210,176.88x = 34,674,341,581.07
  5. Step 5: Solve for x
    x = 34,674,341,581.07/210,176.88
  6. Step 6: Final answer
    x = 164,976.95

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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.