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Finding the Fourth Proportional to 93,312,235.80, 139,968,353.70 and 59,258,021.40

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Solution

The fourth proportional to 93,312,235.80, 139,968,353.70 and 59,258,021.40 is: 88,887,032.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,235.80 : 139,968,353.70 = 59,258,021.40 : x
  2. Step 2: Convert to fraction form
    93,312,235.80/139,968,353.70 = 59,258,021.40/x
  3. Step 3: Cross multiply
    93,312,235.80x = 139,968,353.70 × 59,258,021.40
  4. Step 4: Simplify right side
    93,312,235.80x = 8,294,247,698,877,368
  5. Step 5: Solve for x
    x = 8,294,247,698,877,368/93,312,235.80
  6. Step 6: Final answer
    x = 88,887,032.10

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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.