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Finding the Fourth Proportional to 186,409.17, 257,244.62 and 101,526.23

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Solution

The fourth proportional to 186,409.17, 257,244.62 and 101,526.23 is: 140,106.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,409.17 : 257,244.62 = 101,526.23 : x
  2. Step 2: Convert to fraction form
    186,409.17/257,244.62 = 101,526.23/x
  3. Step 3: Cross multiply
    186,409.17x = 257,244.62 × 101,526.23
  4. Step 4: Simplify right side
    186,409.17x = 26,117,076,456.38
  5. Step 5: Solve for x
    x = 26,117,076,456.38/186,409.17
  6. Step 6: Final answer
    x = 140,106.18

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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.