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Finding the Fourth Proportional to 93,312,078.65, 139,968,117.98 and 93,312,078.65

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Solution

The fourth proportional to 93,312,078.65, 139,968,117.98 and 93,312,078.65 is: 139,968,117.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,078.65 : 139,968,117.98 = 93,312,078.65 : x
  2. Step 2: Convert to fraction form
    93,312,078.65/139,968,117.98 = 93,312,078.65/x
  3. Step 3: Cross multiply
    93,312,078.65x = 139,968,117.98 × 93,312,078.65
  4. Step 4: Simplify right side
    93,312,078.65x = 13,060,716,033,442,238
  5. Step 5: Solve for x
    x = 13,060,716,033,442,238/93,312,078.65
  6. Step 6: Final answer
    x = 139,968,117.98

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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.