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Finding the Fourth Proportional to 124,567.58, 171,903.80 and 67,980.17

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Solution

The fourth proportional to 124,567.58, 171,903.80 and 67,980.17 is: 93,812.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,567.58 : 171,903.80 = 67,980.17 : x
  2. Step 2: Convert to fraction form
    124,567.58/171,903.80 = 67,980.17/x
  3. Step 3: Cross multiply
    124,567.58x = 171,903.80 × 67,980.17
  4. Step 4: Simplify right side
    124,567.58x = 11,686,049,547.65
  5. Step 5: Solve for x
    x = 11,686,049,547.65/124,567.58
  6. Step 6: Final answer
    x = 93,812.93

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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.