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Finding the Fourth Proportional to 114,954.76, 158,547.70 and 74,681.50

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Solution

The fourth proportional to 114,954.76, 158,547.70 and 74,681.50 is: 103,002.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,954.76 : 158,547.70 = 74,681.50 : x
  2. Step 2: Convert to fraction form
    114,954.76/158,547.70 = 74,681.50/x
  3. Step 3: Cross multiply
    114,954.76x = 158,547.70 × 74,681.50
  4. Step 4: Simplify right side
    114,954.76x = 11,840,580,057.55
  5. Step 5: Solve for x
    x = 11,840,580,057.55/114,954.76
  6. Step 6: Final answer
    x = 103,002.08

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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.