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Finding the Fourth Proportional to 169,925.94, 234,488.79 and 93,443.58

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Solution

The fourth proportional to 169,925.94, 234,488.79 and 93,443.58 is: 128,947.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,925.94 : 234,488.79 = 93,443.58 : x
  2. Step 2: Convert to fraction form
    169,925.94/234,488.79 = 93,443.58/x
  3. Step 3: Cross multiply
    169,925.94x = 234,488.79 × 93,443.58
  4. Step 4: Simplify right side
    169,925.94x = 21,911,472,007.47
  5. Step 5: Solve for x
    x = 21,911,472,007.47/169,925.94
  6. Step 6: Final answer
    x = 128,947.19

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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.