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Finding the Fourth Proportional to 106,547.59, 147,029.95 and 66,260.22

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Solution

The fourth proportional to 106,547.59, 147,029.95 and 66,260.22 is: 91,435.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,547.59 : 147,029.95 = 66,260.22 : x
  2. Step 2: Convert to fraction form
    106,547.59/147,029.95 = 66,260.22/x
  3. Step 3: Cross multiply
    106,547.59x = 147,029.95 × 66,260.22
  4. Step 4: Simplify right side
    106,547.59x = 9,742,236,833.59
  5. Step 5: Solve for x
    x = 9,742,236,833.59/106,547.59
  6. Step 6: Final answer
    x = 91,435.54

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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.