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Finding the Fourth Proportional to 170,547.20, 255,798.40 and 52,230.40

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Solution

The fourth proportional to 170,547.20, 255,798.40 and 52,230.40 is: 78,338.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,547.20 : 255,798.40 = 52,230.40 : x
  2. Step 2: Convert to fraction form
    170,547.20/255,798.40 = 52,230.40/x
  3. Step 3: Cross multiply
    170,547.20x = 255,798.40 × 52,230.40
  4. Step 4: Simplify right side
    170,547.20x = 13,360,452,751.36
  5. Step 5: Solve for x
    x = 13,360,452,751.36/170,547.20
  6. Step 6: Final answer
    x = 78,338.74

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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.