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Finding the Fourth Proportional to 150,398.19, 207,529.71 and 89,946.77

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Solution

The fourth proportional to 150,398.19, 207,529.71 and 89,946.77 is: 124,114.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,398.19 : 207,529.71 = 89,946.77 : x
  2. Step 2: Convert to fraction form
    150,398.19/207,529.71 = 89,946.77/x
  3. Step 3: Cross multiply
    150,398.19x = 207,529.71 × 89,946.77
  4. Step 4: Simplify right side
    150,398.19x = 18,666,626,055.89
  5. Step 5: Solve for x
    x = 18,666,626,055.89/150,398.19
  6. Step 6: Final answer
    x = 124,114.70

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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.