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Finding the Fourth Proportional to 240,767.61, 332,258.64 and 138,792.51

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Solution

The fourth proportional to 240,767.61, 332,258.64 and 138,792.51 is: 191,533.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,767.61 : 332,258.64 = 138,792.51 : x
  2. Step 2: Convert to fraction form
    240,767.61/332,258.64 = 138,792.51/x
  3. Step 3: Cross multiply
    240,767.61x = 332,258.64 × 138,792.51
  4. Step 4: Simplify right side
    240,767.61x = 46,115,010,614.79
  5. Step 5: Solve for x
    x = 46,115,010,614.79/240,767.61
  6. Step 6: Final answer
    x = 191,533.28

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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.