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Finding the Fourth Proportional to 169,346, 233,705.58 and 93,894.50

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Solution

The fourth proportional to 169,346, 233,705.58 and 93,894.50 is: 129,578.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,346 : 233,705.58 = 93,894.50 : x
  2. Step 2: Convert to fraction form
    169,346/233,705.58 = 93,894.50/x
  3. Step 3: Cross multiply
    169,346x = 233,705.58 × 93,894.50
  4. Step 4: Simplify right side
    169,346x = 21,943,668,581.31
  5. Step 5: Solve for x
    x = 21,943,668,581.31/169,346
  6. Step 6: Final answer
    x = 129,578.90

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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.