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Finding the Fourth Proportional to 169,758.64, 234,281.46 and 94,312

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Solution

The fourth proportional to 169,758.64, 234,281.46 and 94,312 is: 130,158.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,758.64 : 234,281.46 = 94,312 : x
  2. Step 2: Convert to fraction form
    169,758.64/234,281.46 = 94,312/x
  3. Step 3: Cross multiply
    169,758.64x = 234,281.46 × 94,312
  4. Step 4: Simplify right side
    169,758.64x = 22,095,553,055.52
  5. Step 5: Solve for x
    x = 22,095,553,055.52/169,758.64
  6. Step 6: Final answer
    x = 130,158.64

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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.