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Finding the Fourth Proportional to 157,059.80, 216,693.59 and 89,071.44

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Solution

The fourth proportional to 157,059.80, 216,693.59 and 89,071.44 is: 122,890.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,059.80 : 216,693.59 = 89,071.44 : x
  2. Step 2: Convert to fraction form
    157,059.80/216,693.59 = 89,071.44/x
  3. Step 3: Cross multiply
    157,059.80x = 216,693.59 × 89,071.44
  4. Step 4: Simplify right side
    157,059.80x = 19,301,210,100.07
  5. Step 5: Solve for x
    x = 19,301,210,100.07/157,059.80
  6. Step 6: Final answer
    x = 122,890.84

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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.