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Finding the Fourth Proportional to 169,875.84, 234,428.81 and 93,396.24

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Solution

The fourth proportional to 169,875.84, 234,428.81 and 93,396.24 is: 128,886.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,875.84 : 234,428.81 = 93,396.24 : x
  2. Step 2: Convert to fraction form
    169,875.84/234,428.81 = 93,396.24/x
  3. Step 3: Cross multiply
    169,875.84x = 234,428.81 × 93,396.24
  4. Step 4: Simplify right side
    169,875.84x = 21,894,769,401.67
  5. Step 5: Solve for x
    x = 21,894,769,401.67/169,875.84
  6. Step 6: Final answer
    x = 128,886.89

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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.