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Finding the Fourth Proportional to 127,833.67, 176,411.34 and 71,248.69

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Solution

The fourth proportional to 127,833.67, 176,411.34 and 71,248.69 is: 98,323.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,833.67 : 176,411.34 = 71,248.69 : x
  2. Step 2: Convert to fraction form
    127,833.67/176,411.34 = 71,248.69/x
  3. Step 3: Cross multiply
    127,833.67x = 176,411.34 × 71,248.69
  4. Step 4: Simplify right side
    127,833.67x = 12,569,075,637.84
  5. Step 5: Solve for x
    x = 12,569,075,637.84/127,833.67
  6. Step 6: Final answer
    x = 98,323.67

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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.