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Finding the Fourth Proportional to 93,106.56, 139,681.71 and 26,547.65

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Solution

The fourth proportional to 93,106.56, 139,681.71 and 26,547.65 is: 39,827.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,106.56 : 139,681.71 = 26,547.65 : x
  2. Step 2: Convert to fraction form
    93,106.56/139,681.71 = 26,547.65/x
  3. Step 3: Cross multiply
    93,106.56x = 139,681.71 × 26,547.65
  4. Step 4: Simplify right side
    93,106.56x = 3,708,220,450.07
  5. Step 5: Solve for x
    x = 3,708,220,450.07/93,106.56
  6. Step 6: Final answer
    x = 39,827.70

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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.