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Finding the Fourth Proportional to 116,554.14, 160,859.01 and 65,569.10

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Solution

The fourth proportional to 116,554.14, 160,859.01 and 65,569.10 is: 90,493.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,554.14 : 160,859.01 = 65,569.10 : x
  2. Step 2: Convert to fraction form
    116,554.14/160,859.01 = 65,569.10/x
  3. Step 3: Cross multiply
    116,554.14x = 160,859.01 × 65,569.10
  4. Step 4: Simplify right side
    116,554.14x = 10,547,379,954.18
  5. Step 5: Solve for x
    x = 10,547,379,954.18/116,554.14
  6. Step 6: Final answer
    x = 90,493.40

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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.