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Finding the Fourth Proportional to 218,501.04, 301,531.14 and 123,038.58

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Solution

The fourth proportional to 218,501.04, 301,531.14 and 123,038.58 is: 169,793.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,501.04 : 301,531.14 = 123,038.58 : x
  2. Step 2: Convert to fraction form
    218,501.04/301,531.14 = 123,038.58/x
  3. Step 3: Cross multiply
    218,501.04x = 301,531.14 × 123,038.58
  4. Step 4: Simplify right side
    218,501.04x = 37,099,963,291.38
  5. Step 5: Solve for x
    x = 37,099,963,291.38/218,501.04
  6. Step 6: Final answer
    x = 169,793.07

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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.