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Finding the Fourth Proportional to 153,790.04, 230,722.32 and 74,886.32

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Solution

The fourth proportional to 153,790.04, 230,722.32 and 74,886.32 is: 112,347.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,790.04 : 230,722.32 = 74,886.32 : x
  2. Step 2: Convert to fraction form
    153,790.04/230,722.32 = 74,886.32/x
  3. Step 3: Cross multiply
    153,790.04x = 230,722.32 × 74,886.32
  4. Step 4: Simplify right side
    153,790.04x = 17,277,945,486.66
  5. Step 5: Solve for x
    x = 17,277,945,486.66/153,790.04
  6. Step 6: Final answer
    x = 112,347.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.