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Finding the Fourth Proportional to 170,173, 255,376.14 and 59,365

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Solution

The fourth proportional to 170,173, 255,376.14 and 59,365 is: 89,088.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,173 : 255,376.14 = 59,365 : x
  2. Step 2: Convert to fraction form
    170,173/255,376.14 = 59,365/x
  3. Step 3: Cross multiply
    170,173x = 255,376.14 × 59,365
  4. Step 4: Simplify right side
    170,173x = 15,160,404,551.10
  5. Step 5: Solve for x
    x = 15,160,404,551.10/170,173
  6. Step 6: Final answer
    x = 89,088.19

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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.