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Finding the Fourth Proportional to 249,575.79, 374,426.79 and 69,661.18

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Solution

The fourth proportional to 249,575.79, 374,426.79 and 69,661.18 is: 104,509.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,575.79 : 374,426.79 = 69,661.18 : x
  2. Step 2: Convert to fraction form
    249,575.79/374,426.79 = 69,661.18/x
  3. Step 3: Cross multiply
    249,575.79x = 374,426.79 × 69,661.18
  4. Step 4: Simplify right side
    249,575.79x = 26,083,012,015.01
  5. Step 5: Solve for x
    x = 26,083,012,015.01/249,575.79
  6. Step 6: Final answer
    x = 104,509.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.