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Finding the Fourth Proportional to 172,659.69, 238,307.13 and 116,038.26

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Solution

The fourth proportional to 172,659.69, 238,307.13 and 116,038.26 is: 160,157.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,659.69 : 238,307.13 = 116,038.26 : x
  2. Step 2: Convert to fraction form
    172,659.69/238,307.13 = 116,038.26/x
  3. Step 3: Cross multiply
    172,659.69x = 238,307.13 × 116,038.26
  4. Step 4: Simplify right side
    172,659.69x = 27,652,744,710.79
  5. Step 5: Solve for x
    x = 27,652,744,710.79/172,659.69
  6. Step 6: Final answer
    x = 160,157.50

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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.