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Finding the Fourth Proportional to 93,312,009.30, 139,968,013.95 and 93,312,009.30

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Solution

The fourth proportional to 93,312,009.30, 139,968,013.95 and 93,312,009.30 is: 139,968,013.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,009.30 : 139,968,013.95 = 93,312,009.30 : x
  2. Step 2: Convert to fraction form
    93,312,009.30/139,968,013.95 = 93,312,009.30/x
  3. Step 3: Cross multiply
    93,312,009.30x = 139,968,013.95 × 93,312,009.30
  4. Step 4: Simplify right side
    93,312,009.30x = 13,060,696,619,404,928
  5. Step 5: Solve for x
    x = 13,060,696,619,404,928/93,312,009.30
  6. Step 6: Final answer
    x = 139,968,013.95

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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.