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Finding the Fourth Proportional to 152,602.92, 210,594.55 and 84,622.76

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Solution

The fourth proportional to 152,602.92, 210,594.55 and 84,622.76 is: 116,780.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,602.92 : 210,594.55 = 84,622.76 : x
  2. Step 2: Convert to fraction form
    152,602.92/210,594.55 = 84,622.76/x
  3. Step 3: Cross multiply
    152,602.92x = 210,594.55 × 84,622.76
  4. Step 4: Simplify right side
    152,602.92x = 17,821,092,061.96
  5. Step 5: Solve for x
    x = 17,821,092,061.96/152,602.92
  6. Step 6: Final answer
    x = 116,780.81

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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.