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Finding the Fourth Proportional to 207,681.00, 311,521.47 and 49,909.45

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Solution

The fourth proportional to 207,681.00, 311,521.47 and 49,909.45 is: 74,864.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,681.00 : 311,521.47 = 49,909.45 : x
  2. Step 2: Convert to fraction form
    207,681.00/311,521.47 = 49,909.45/x
  3. Step 3: Cross multiply
    207,681.00x = 311,521.47 × 49,909.45
  4. Step 4: Simplify right side
    207,681.00x = 15,547,866,303.63
  5. Step 5: Solve for x
    x = 15,547,866,303.63/207,681.00
  6. Step 6: Final answer
    x = 74,864.17

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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.