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Finding the Fourth Proportional to 316,026.16, 473,969.04 and 91,337.56

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Solution

The fourth proportional to 316,026.16, 473,969.04 and 91,337.56 is: 136,986.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,026.16 : 473,969.04 = 91,337.56 : x
  2. Step 2: Convert to fraction form
    316,026.16/473,969.04 = 91,337.56/x
  3. Step 3: Cross multiply
    316,026.16x = 473,969.04 × 91,337.56
  4. Step 4: Simplify right side
    316,026.16x = 43,291,175,629.14
  5. Step 5: Solve for x
    x = 43,291,175,629.14/316,026.16
  6. Step 6: Final answer
    x = 136,986.05

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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.