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Finding the Fourth Proportional to 210,955.44, 291,117.44 and 114,159.22

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Solution

The fourth proportional to 210,955.44, 291,117.44 and 114,159.22 is: 157,539.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,955.44 : 291,117.44 = 114,159.22 : x
  2. Step 2: Convert to fraction form
    210,955.44/291,117.44 = 114,159.22/x
  3. Step 3: Cross multiply
    210,955.44x = 291,117.44 × 114,159.22
  4. Step 4: Simplify right side
    210,955.44x = 33,233,739,878.80
  5. Step 5: Solve for x
    x = 33,233,739,878.80/210,955.44
  6. Step 6: Final answer
    x = 157,539.15

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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.