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Finding the Fourth Proportional to 171,547.76, 257,313.72 and 46,888.40

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Solution

The fourth proportional to 171,547.76, 257,313.72 and 46,888.40 is: 70,330.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,547.76 : 257,313.72 = 46,888.40 : x
  2. Step 2: Convert to fraction form
    171,547.76/257,313.72 = 46,888.40/x
  3. Step 3: Cross multiply
    171,547.76x = 257,313.72 × 46,888.40
  4. Step 4: Simplify right side
    171,547.76x = 12,065,028,628.85
  5. Step 5: Solve for x
    x = 12,065,028,628.85/171,547.76
  6. Step 6: Final answer
    x = 70,330.44

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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.