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Finding the Fourth Proportional to 127,795.29, 176,367.64 and 70,444.81

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Solution

The fourth proportional to 127,795.29, 176,367.64 and 70,444.81 is: 97,219.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,795.29 : 176,367.64 = 70,444.81 : x
  2. Step 2: Convert to fraction form
    127,795.29/176,367.64 = 70,444.81/x
  3. Step 3: Cross multiply
    127,795.29x = 176,367.64 × 70,444.81
  4. Step 4: Simplify right side
    127,795.29x = 12,424,184,889.95
  5. Step 5: Solve for x
    x = 12,424,184,889.95/127,795.29
  6. Step 6: Final answer
    x = 97,219.43

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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.