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Finding the Fourth Proportional to 230,126.99, 317,411.66 and 153,607.51

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Solution

The fourth proportional to 230,126.99, 317,411.66 and 153,607.51 is: 211,869.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,126.99 : 317,411.66 = 153,607.51 : x
  2. Step 2: Convert to fraction form
    230,126.99/317,411.66 = 153,607.51/x
  3. Step 3: Cross multiply
    230,126.99x = 317,411.66 × 153,607.51
  4. Step 4: Simplify right side
    230,126.99x = 48,756,814,737.57
  5. Step 5: Solve for x
    x = 48,756,814,737.57/230,126.99
  6. Step 6: Final answer
    x = 211,869.17

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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.