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Finding the Fourth Proportional to 186,127.01, 256,900.91 and 105,601.67

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Solution

The fourth proportional to 186,127.01, 256,900.91 and 105,601.67 is: 145,756.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,127.01 : 256,900.91 = 105,601.67 : x
  2. Step 2: Convert to fraction form
    186,127.01/256,900.91 = 105,601.67/x
  3. Step 3: Cross multiply
    186,127.01x = 256,900.91 × 105,601.67
  4. Step 4: Simplify right side
    186,127.01x = 27,129,164,592.51
  5. Step 5: Solve for x
    x = 27,129,164,592.51/186,127.01
  6. Step 6: Final answer
    x = 145,756.19

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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.