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Finding the Fourth Proportional to 170,852.76, 235,887.66 and 152,916.66

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Solution

The fourth proportional to 170,852.76, 235,887.66 and 152,916.66 is: 211,124.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,852.76 : 235,887.66 = 152,916.66 : x
  2. Step 2: Convert to fraction form
    170,852.76/235,887.66 = 152,916.66/x
  3. Step 3: Cross multiply
    170,852.76x = 235,887.66 × 152,916.66
  4. Step 4: Simplify right side
    170,852.76x = 36,071,153,102.42
  5. Step 5: Solve for x
    x = 36,071,153,102.42/170,852.76
  6. Step 6: Final answer
    x = 211,124.20

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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.