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Finding the Fourth Proportional to 105,547.53, 157,927.62 and 104,366.55

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Solution

The fourth proportional to 105,547.53, 157,927.62 and 104,366.55 is: 156,160.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,547.53 : 157,927.62 = 104,366.55 : x
  2. Step 2: Convert to fraction form
    105,547.53/157,927.62 = 104,366.55/x
  3. Step 3: Cross multiply
    105,547.53x = 157,927.62 × 104,366.55
  4. Step 4: Simplify right side
    105,547.53x = 16,482,360,849.11
  5. Step 5: Solve for x
    x = 16,482,360,849.11/105,547.53
  6. Step 6: Final answer
    x = 156,160.55

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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.