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Finding the Fourth Proportional to 172,952.32, 238,633.40 and 104,967.68

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Solution

The fourth proportional to 172,952.32, 238,633.40 and 104,967.68 is: 144,830.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,952.32 : 238,633.40 = 104,967.68 : x
  2. Step 2: Convert to fraction form
    172,952.32/238,633.40 = 104,967.68/x
  3. Step 3: Cross multiply
    172,952.32x = 238,633.40 × 104,967.68
  4. Step 4: Simplify right side
    172,952.32x = 25,048,794,368.51
  5. Step 5: Solve for x
    x = 25,048,794,368.51/172,952.32
  6. Step 6: Final answer
    x = 144,830.64

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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.